2981394

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 7418880

約数和(自身を除く): 4437486

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 137, 186, 234, 274, 279, 351, 403, 411, 558, 702, 806, 822, 837, 1209, 1233, 1674, 1781, 2418, 2466, 3562, 3627, 3699, 4247, 5343, 7254, 7398, 8494, 10686, 10881, 12741, 16029, 21762, 25482, 32058, 38223, 48087, 55211, 76446, 96174, 110422, 114669, 165633, 229338, 331266, 496899, 993798, 1490697, 2981394]

約数ペア:

[(1, 2981394), (2, 1490697), (3, 993798), (6, 496899), (9, 331266), (13, 229338), (18, 165633), (26, 114669), (27, 110422), (31, 96174), (39, 76446), (54, 55211), (62, 48087), (78, 38223), (93, 32058), (117, 25482), (137, 21762), (186, 16029), (234, 12741), (274, 10881), (279, 10686), (351, 8494), (403, 7398), (411, 7254), (558, 5343), (702, 4247), (806, 3699), (822, 3627), (837, 3562), (1209, 2466), (1233, 2418), (1674, 1781)]