31481912

素因数分解:

$2^3\times 7^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 75627000

約数和(自身を除く): 44145088

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 149, 154, 196, 298, 308, 343, 392, 539, 596, 616, 686, 1043, 1078, 1192, 1372, 1639, 2086, 2156, 2401, 2744, 3278, 3773, 4172, 4312, 4802, 6556, 7301, 7546, 8344, 9604, 11473, 13112, 14602, 15092, 19208, 22946, 26411, 29204, 30184, 45892, 51107, 52822, 58408, 80311, 91784, 102214, 105644, 160622, 204428, 211288, 321244, 357749, 408856, 562177, 642488, 715498, 1124354, 1430996, 2248708, 2861992, 3935239, 4497416, 7870478, 15740956, 31481912]

約数ペア:

[(1, 31481912), (2, 15740956), (4, 7870478), (7, 4497416), (8, 3935239), (11, 2861992), (14, 2248708), (22, 1430996), (28, 1124354), (44, 715498), (49, 642488), (56, 562177), (77, 408856), (88, 357749), (98, 321244), (149, 211288), (154, 204428), (196, 160622), (298, 105644), (308, 102214), (343, 91784), (392, 80311), (539, 58408), (596, 52822), (616, 51107), (686, 45892), (1043, 30184), (1078, 29204), (1192, 26411), (1372, 22946), (1639, 19208), (2086, 15092), (2156, 14602), (2401, 13112), (2744, 11473), (3278, 9604), (3773, 8344), (4172, 7546), (4312, 7301), (4802, 6556)]