11778990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 30260736

約数和(自身を除く): 18481746

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 397, 430, 645, 690, 794, 989, 1191, 1290, 1978, 1985, 2382, 2967, 3970, 4945, 5934, 5955, 9131, 9890, 11910, 14835, 17071, 18262, 27393, 29670, 34142, 45655, 51213, 54786, 85355, 91310, 102426, 136965, 170710, 256065, 273930, 392633, 512130, 785266, 1177899, 1963165, 2355798, 3926330, 5889495, 11778990]

約数ペア:

[(1, 11778990), (2, 5889495), (3, 3926330), (5, 2355798), (6, 1963165), (10, 1177899), (15, 785266), (23, 512130), (30, 392633), (43, 273930), (46, 256065), (69, 170710), (86, 136965), (115, 102426), (129, 91310), (138, 85355), (215, 54786), (230, 51213), (258, 45655), (345, 34142), (397, 29670), (430, 27393), (645, 18262), (690, 17071), (794, 14835), (989, 11910), (1191, 9890), (1290, 9131), (1978, 5955), (1985, 5934), (2382, 4945), (2967, 3970)]