248273172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 753951744

約数和(自身を除く): 505678572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 61, 62, 63, 84, 93, 122, 124, 126, 183, 186, 217, 244, 252, 279, 366, 372, 427, 434, 521, 549, 558, 651, 732, 854, 868, 1042, 1098, 1116, 1281, 1302, 1563, 1708, 1891, 1953, 2084, 2196, 2562, 2604, 3126, 3647, 3782, 3843, 3906, 4689, 5124, 5673, 6252, 7294, 7564, 7686, 7812, 9378, 10941, 11346, 13237, 14588, 15372, 16151, 17019, 18756, 21882, 22692, 26474, 31781, 32302, 32823, 34038, 39711, 43764, 48453, 52948, 63562, 64604, 65646, 68076, 79422, 95343, 96906, 113057, 119133, 127124, 131292, 145359, 158844, 190686, 193812, 222467, 226114, 238266, 286029, 290718, 339171, 381372, 444934, 452228, 476532, 572058, 581436, 667401, 678342, 889868, 985211, 1017513, 1144116, 1334802, 1356684, 1970422, 2002203, 2035026, 2669604, 2955633, 3940844, 4004406, 4070052, 5911266, 6896477, 8008812, 8866899, 11822532, 13792954, 17733798, 20689431, 27585908, 35467596, 41378862, 62068293, 82757724, 124136586, 248273172]

約数ペア:

[(1, 248273172), (2, 124136586), (3, 82757724), (4, 62068293), (6, 41378862), (7, 35467596), (9, 27585908), (12, 20689431), (14, 17733798), (18, 13792954), (21, 11822532), (28, 8866899), (31, 8008812), (36, 6896477), (42, 5911266), (61, 4070052), (62, 4004406), (63, 3940844), (84, 2955633), (93, 2669604), (122, 2035026), (124, 2002203), (126, 1970422), (183, 1356684), (186, 1334802), (217, 1144116), (244, 1017513), (252, 985211), (279, 889868), (366, 678342), (372, 667401), (427, 581436), (434, 572058), (521, 476532), (549, 452228), (558, 444934), (651, 381372), (732, 339171), (854, 290718), (868, 286029), (1042, 238266), (1098, 226114), (1116, 222467), (1281, 193812), (1302, 190686), (1563, 158844), (1708, 145359), (1891, 131292), (1953, 127124), (2084, 119133), (2196, 113057), (2562, 96906), (2604, 95343), (3126, 79422), (3647, 68076), (3782, 65646), (3843, 64604), (3906, 63562), (4689, 52948), (5124, 48453), (5673, 43764), (6252, 39711), (7294, 34038), (7564, 32823), (7686, 32302), (7812, 31781), (9378, 26474), (10941, 22692), (11346, 21882), (13237, 18756), (14588, 17019), (15372, 16151)]