128628968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{20963}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 264146400

約数和(自身を除く): 135517432

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 6136, 20963, 41926, 83852, 167704, 272519, 545038, 1090076, 1236817, 2180152, 2473634, 4947268, 9894536, 16078621, 32157242, 64314484, 128628968]

約数ペア:

[(1, 128628968), (2, 64314484), (4, 32157242), (8, 16078621), (13, 9894536), (26, 4947268), (52, 2473634), (59, 2180152), (104, 1236817), (118, 1090076), (236, 545038), (472, 272519), (767, 167704), (1534, 83852), (3068, 41926), (6136, 20963)]