644147556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 1707890688

約数和(自身を除く): 1063743132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 61, 78, 82, 122, 123, 127, 156, 164, 169, 183, 244, 246, 254, 338, 366, 381, 492, 507, 508, 533, 676, 732, 762, 793, 1014, 1066, 1524, 1586, 1599, 1651, 2028, 2132, 2379, 2501, 3172, 3198, 3302, 4758, 4953, 5002, 5207, 6396, 6604, 6929, 7503, 7747, 9516, 9906, 10004, 10309, 10414, 13858, 15006, 15494, 15621, 19812, 20618, 20787, 20828, 21463, 23241, 27716, 30012, 30927, 30988, 31242, 32513, 41236, 41574, 42926, 46482, 61854, 62484, 64389, 65026, 67691, 83148, 85852, 92964, 97539, 100711, 123708, 128778, 130052, 135382, 195078, 201422, 203073, 257556, 270764, 302133, 317627, 390156, 402844, 406146, 422669, 604266, 635254, 812292, 845338, 879983, 952881, 1208532, 1268007, 1270508, 1309243, 1690676, 1759966, 1905762, 2536014, 2618486, 2639949, 3519932, 3811524, 3927729, 4129151, 5072028, 5236972, 5279898, 7855458, 8258302, 10559796, 12387453, 15710916, 16516604, 24774906, 49549812, 53678963, 107357926, 161036889, 214715852, 322073778, 644147556]

約数ペア:

[(1, 644147556), (2, 322073778), (3, 214715852), (4, 161036889), (6, 107357926), (12, 53678963), (13, 49549812), (26, 24774906), (39, 16516604), (41, 15710916), (52, 12387453), (61, 10559796), (78, 8258302), (82, 7855458), (122, 5279898), (123, 5236972), (127, 5072028), (156, 4129151), (164, 3927729), (169, 3811524), (183, 3519932), (244, 2639949), (246, 2618486), (254, 2536014), (338, 1905762), (366, 1759966), (381, 1690676), (492, 1309243), (507, 1270508), (508, 1268007), (533, 1208532), (676, 952881), (732, 879983), (762, 845338), (793, 812292), (1014, 635254), (1066, 604266), (1524, 422669), (1586, 406146), (1599, 402844), (1651, 390156), (2028, 317627), (2132, 302133), (2379, 270764), (2501, 257556), (3172, 203073), (3198, 201422), (3302, 195078), (4758, 135382), (4953, 130052), (5002, 128778), (5207, 123708), (6396, 100711), (6604, 97539), (6929, 92964), (7503, 85852), (7747, 83148), (9516, 67691), (9906, 65026), (10004, 64389), (10309, 62484), (10414, 61854), (13858, 46482), (15006, 42926), (15494, 41574), (15621, 41236), (19812, 32513), (20618, 31242), (20787, 30988), (20828, 30927), (21463, 30012), (23241, 27716)]