80440486

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 140682240

約数和(自身を除く): 60241754

約数列:

[1, 2, 7, 14, 79, 158, 257, 283, 514, 553, 566, 1106, 1799, 1981, 3598, 3962, 20303, 22357, 40606, 44714, 72731, 142121, 145462, 156499, 284242, 312998, 509117, 1018234, 5745749, 11491498, 40220243, 80440486]

約数ペア:

[(1, 80440486), (2, 40220243), (7, 11491498), (14, 5745749), (79, 1018234), (158, 509117), (257, 312998), (283, 284242), (514, 156499), (553, 145462), (566, 142121), (1106, 72731), (1799, 44714), (1981, 40606), (3598, 22357), (3962, 20303)]