648414

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 1611792

約数和(自身を除く): 963378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 163, 221, 234, 306, 326, 442, 489, 663, 978, 1326, 1467, 1989, 2119, 2771, 2934, 3978, 4238, 5542, 6357, 8313, 12714, 16626, 19071, 24939, 36023, 38142, 49878, 72046, 108069, 216138, 324207, 648414]

約数ペア:

[(1, 648414), (2, 324207), (3, 216138), (6, 108069), (9, 72046), (13, 49878), (17, 38142), (18, 36023), (26, 24939), (34, 19071), (39, 16626), (51, 12714), (78, 8313), (102, 6357), (117, 5542), (153, 4238), (163, 3978), (221, 2934), (234, 2771), (306, 2119), (326, 1989), (442, 1467), (489, 1326), (663, 978)]