81315328

素因数分解:

$2^9\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:918

約数の個数: 40

約数和(自身を含む): 163393560

約数和(自身を除く): 82078232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 241, 256, 482, 512, 659, 964, 1318, 1928, 2636, 3856, 5272, 7712, 10544, 15424, 21088, 30848, 42176, 61696, 84352, 123392, 158819, 168704, 317638, 337408, 635276, 1270552, 2541104, 5082208, 10164416, 20328832, 40657664, 81315328]

約数ペア:

[(1, 81315328), (2, 40657664), (4, 20328832), (8, 10164416), (16, 5082208), (32, 2541104), (64, 1270552), (128, 635276), (241, 337408), (256, 317638), (482, 168704), (512, 158819), (659, 123392), (964, 84352), (1318, 61696), (1928, 42176), (2636, 30848), (3856, 21088), (5272, 15424), (7712, 10544)]