215496728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{1213}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 413002800

約数和(自身を除く): 197506072

約数列:

[1, 2, 4, 8, 53, 106, 212, 419, 424, 838, 1213, 1676, 2426, 3352, 4852, 9704, 22207, 44414, 64289, 88828, 128578, 177656, 257156, 508247, 514312, 1016494, 2032988, 4065976, 26937091, 53874182, 107748364, 215496728]

約数ペア:

[(1, 215496728), (2, 107748364), (4, 53874182), (8, 26937091), (53, 4065976), (106, 2032988), (212, 1016494), (419, 514312), (424, 508247), (838, 257156), (1213, 177656), (1676, 128578), (2426, 88828), (3352, 64289), (4852, 44414), (9704, 22207)]