129142528

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{16273}}^1$

素因数の和:16320

約数の個数: 36

約数和(自身を含む): 266112448

約数和(自身を除く): 136969920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 16273, 32546, 65092, 130184, 260368, 504463, 520736, 1008926, 1041472, 2017852, 2082944, 4035704, 4165888, 8071408, 16142816, 32285632, 64571264, 129142528]

約数ペア:

[(1, 129142528), (2, 64571264), (4, 32285632), (8, 16142816), (16, 8071408), (31, 4165888), (32, 4035704), (62, 2082944), (64, 2017852), (124, 1041472), (128, 1008926), (248, 520736), (256, 504463), (496, 260368), (992, 130184), (1984, 65092), (3968, 32546), (7936, 16273)]