129609488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{691}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 265146720

約数和(自身を除く): 135537232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 617, 691, 1234, 1382, 2468, 2764, 4936, 5528, 9872, 11056, 11723, 13129, 23446, 26258, 46892, 52516, 93784, 105032, 187568, 210064, 426347, 852694, 1705388, 3410776, 6821552, 8100593, 16201186, 32402372, 64804744, 129609488]

約数ペア:

[(1, 129609488), (2, 64804744), (4, 32402372), (8, 16201186), (16, 8100593), (19, 6821552), (38, 3410776), (76, 1705388), (152, 852694), (304, 426347), (617, 210064), (691, 187568), (1234, 105032), (1382, 93784), (2468, 52516), (2764, 46892), (4936, 26258), (5528, 23446), (9872, 13129), (11056, 11723)]