287637812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 641540928

約数和(自身を除く): 353903116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 484, 511, 803, 847, 1022, 1163, 1606, 1694, 2044, 2326, 3212, 3388, 4652, 5621, 8141, 8833, 11242, 12793, 16282, 17666, 22484, 25586, 32564, 35332, 51172, 61831, 84899, 89551, 123662, 140723, 169798, 179102, 247324, 281446, 339596, 358204, 562892, 594293, 933889, 985061, 1188586, 1867778, 1970122, 2377172, 3735556, 3940244, 6537223, 10272779, 13074446, 20545558, 26148892, 41091116, 71909453, 143818906, 287637812]

約数ペア:

[(1, 287637812), (2, 143818906), (4, 71909453), (7, 41091116), (11, 26148892), (14, 20545558), (22, 13074446), (28, 10272779), (44, 6537223), (73, 3940244), (77, 3735556), (121, 2377172), (146, 1970122), (154, 1867778), (242, 1188586), (292, 985061), (308, 933889), (484, 594293), (511, 562892), (803, 358204), (847, 339596), (1022, 281446), (1163, 247324), (1606, 179102), (1694, 169798), (2044, 140723), (2326, 123662), (3212, 89551), (3388, 84899), (4652, 61831), (5621, 51172), (8141, 35332), (8833, 32564), (11242, 25586), (12793, 22484), (16282, 17666)]