140985968

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 278263440

約数和(自身を除く): 137277472

約数列:

[1, 2, 4, 8, 16, 89, 178, 181, 356, 362, 547, 712, 724, 1094, 1424, 1448, 2188, 2896, 4376, 8752, 16109, 32218, 48683, 64436, 97366, 99007, 128872, 194732, 198014, 257744, 389464, 396028, 778928, 792056, 1584112, 8811623, 17623246, 35246492, 70492984, 140985968]

約数ペア:

[(1, 140985968), (2, 70492984), (4, 35246492), (8, 17623246), (16, 8811623), (89, 1584112), (178, 792056), (181, 778928), (356, 396028), (362, 389464), (547, 257744), (712, 198014), (724, 194732), (1094, 128872), (1424, 99007), (1448, 97366), (2188, 64436), (2896, 48683), (4376, 32218), (8752, 16109)]