81520192

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{7537}}^1$

素因数の和:7575

約数の個数: 42

約数和(自身を含む): 175190658

約数和(自身を除く): 93670466

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 7537, 10816, 15074, 30148, 60296, 97981, 120592, 195962, 241184, 391924, 482368, 783848, 1273753, 1567696, 2547506, 3135392, 5095012, 6270784, 10190024, 20380048, 40760096, 81520192]

約数ペア:

[(1, 81520192), (2, 40760096), (4, 20380048), (8, 10190024), (13, 6270784), (16, 5095012), (26, 3135392), (32, 2547506), (52, 1567696), (64, 1273753), (104, 783848), (169, 482368), (208, 391924), (338, 241184), (416, 195962), (676, 120592), (832, 97981), (1352, 60296), (2704, 30148), (5408, 15074), (7537, 10816)]