128199942

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 326430720

約数和(自身を除く): 198230778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 43, 54, 62, 78, 86, 93, 117, 129, 137, 186, 234, 258, 274, 279, 351, 387, 403, 411, 558, 559, 702, 774, 806, 822, 837, 1118, 1161, 1209, 1233, 1333, 1674, 1677, 1781, 2322, 2418, 2466, 2666, 3354, 3562, 3627, 3699, 3999, 4247, 5031, 5343, 5891, 7254, 7398, 7998, 8494, 10062, 10686, 10881, 11782, 11997, 12741, 15093, 16029, 17329, 17673, 21762, 23994, 25482, 30186, 32058, 34658, 35346, 35991, 38223, 48087, 51987, 53019, 55211, 71982, 76446, 76583, 96174, 103974, 106038, 110422, 114669, 153166, 155961, 159057, 165633, 182621, 229338, 229749, 311922, 318114, 331266, 365242, 459498, 467883, 496899, 547863, 689247, 935766, 993798, 1095726, 1378494, 1490697, 1643589, 2067741, 2374073, 2981394, 3287178, 4135482, 4748146, 4930767, 7122219, 9861534, 14244438, 21366657, 42733314, 64099971, 128199942]

約数ペア:

[(1, 128199942), (2, 64099971), (3, 42733314), (6, 21366657), (9, 14244438), (13, 9861534), (18, 7122219), (26, 4930767), (27, 4748146), (31, 4135482), (39, 3287178), (43, 2981394), (54, 2374073), (62, 2067741), (78, 1643589), (86, 1490697), (93, 1378494), (117, 1095726), (129, 993798), (137, 935766), (186, 689247), (234, 547863), (258, 496899), (274, 467883), (279, 459498), (351, 365242), (387, 331266), (403, 318114), (411, 311922), (558, 229749), (559, 229338), (702, 182621), (774, 165633), (806, 159057), (822, 155961), (837, 153166), (1118, 114669), (1161, 110422), (1209, 106038), (1233, 103974), (1333, 96174), (1674, 76583), (1677, 76446), (1781, 71982), (2322, 55211), (2418, 53019), (2466, 51987), (2666, 48087), (3354, 38223), (3562, 35991), (3627, 35346), (3699, 34658), (3999, 32058), (4247, 30186), (5031, 25482), (5343, 23994), (5891, 21762), (7254, 17673), (7398, 17329), (7998, 16029), (8494, 15093), (10062, 12741), (10686, 11997), (10881, 11782)]