639366816

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19586

約数の個数: 96

約数和(自身を含む): 1890072576

約数和(自身を除く): 1250705760

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 124, 132, 176, 186, 248, 264, 341, 352, 372, 496, 528, 682, 744, 992, 1023, 1056, 1364, 1488, 2046, 2728, 2976, 4092, 5456, 8184, 10912, 16368, 19531, 32736, 39062, 58593, 78124, 117186, 156248, 214841, 234372, 312496, 429682, 468744, 605461, 624992, 644523, 859364, 937488, 1210922, 1289046, 1718728, 1816383, 1874976, 2421844, 2578092, 3437456, 3632766, 4843688, 5156184, 6660071, 6874912, 7265532, 9687376, 10312368, 13320142, 14531064, 19374752, 19980213, 20624736, 26640284, 29062128, 39960426, 53280568, 58124256, 79920852, 106561136, 159841704, 213122272, 319683408, 639366816]

約数ペア:

[(1, 639366816), (2, 319683408), (3, 213122272), (4, 159841704), (6, 106561136), (8, 79920852), (11, 58124256), (12, 53280568), (16, 39960426), (22, 29062128), (24, 26640284), (31, 20624736), (32, 19980213), (33, 19374752), (44, 14531064), (48, 13320142), (62, 10312368), (66, 9687376), (88, 7265532), (93, 6874912), (96, 6660071), (124, 5156184), (132, 4843688), (176, 3632766), (186, 3437456), (248, 2578092), (264, 2421844), (341, 1874976), (352, 1816383), (372, 1718728), (496, 1289046), (528, 1210922), (682, 937488), (744, 859364), (992, 644523), (1023, 624992), (1056, 605461), (1364, 468744), (1488, 429682), (2046, 312496), (2728, 234372), (2976, 214841), (4092, 156248), (5456, 117186), (8184, 78124), (10912, 58593), (16368, 39062), (19531, 32736)]