398281968

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{131707}}^1$

素因数の和:131731

約数の個数: 80

約数和(自身を含む): 1306543360

約数和(自身を除く): 908261392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 131707, 263414, 395121, 526828, 790242, 921949, 1053656, 1185363, 1580484, 1843898, 2107312, 2370726, 2765847, 3160968, 3556089, 3687796, 4741452, 5531694, 6321936, 7112178, 7375592, 8297541, 9482904, 11063388, 14224356, 14751184, 16595082, 18965808, 22126776, 24892623, 28448712, 33190164, 44253552, 49785246, 56897424, 66380328, 99570492, 132760656, 199140984, 398281968]

約数ペア:

[(1, 398281968), (2, 199140984), (3, 132760656), (4, 99570492), (6, 66380328), (7, 56897424), (8, 49785246), (9, 44253552), (12, 33190164), (14, 28448712), (16, 24892623), (18, 22126776), (21, 18965808), (24, 16595082), (27, 14751184), (28, 14224356), (36, 11063388), (42, 9482904), (48, 8297541), (54, 7375592), (56, 7112178), (63, 6321936), (72, 5531694), (84, 4741452), (108, 3687796), (112, 3556089), (126, 3160968), (144, 2765847), (168, 2370726), (189, 2107312), (216, 1843898), (252, 1580484), (336, 1185363), (378, 1053656), (432, 921949), (504, 790242), (756, 526828), (1008, 395121), (1512, 263414), (3024, 131707)]