1293904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 2731968

約数和(自身を除く): 1438064

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 71, 134, 136, 142, 268, 272, 284, 536, 568, 1072, 1136, 1139, 1207, 2278, 2414, 4556, 4757, 4828, 9112, 9514, 9656, 18224, 19028, 19312, 38056, 76112, 80869, 161738, 323476, 646952, 1293904]

約数ペア:

[(1, 1293904), (2, 646952), (4, 323476), (8, 161738), (16, 80869), (17, 76112), (34, 38056), (67, 19312), (68, 19028), (71, 18224), (134, 9656), (136, 9514), (142, 9112), (268, 4828), (272, 4757), (284, 4556), (536, 2414), (568, 2278), (1072, 1207), (1136, 1139)]