648828

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 1670760

約数和(自身を除く): 1021932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 269, 402, 538, 603, 804, 807, 1076, 1206, 1614, 2412, 2421, 3228, 4842, 9684, 18023, 36046, 54069, 72092, 108138, 162207, 216276, 324414, 648828]

約数ペア:

[(1, 648828), (2, 324414), (3, 216276), (4, 162207), (6, 108138), (9, 72092), (12, 54069), (18, 36046), (36, 18023), (67, 9684), (134, 4842), (201, 3228), (268, 2421), (269, 2412), (402, 1614), (538, 1206), (603, 1076), (804, 807)]