68446768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3019}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 144174800

約数和(自身を除く): 75728032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 3019, 5668, 6038, 11336, 12076, 22672, 24152, 39247, 48304, 78494, 156988, 313976, 329071, 627952, 658142, 1316284, 2632568, 4277923, 5265136, 8555846, 17111692, 34223384, 68446768]

約数ペア:

[(1, 68446768), (2, 34223384), (4, 17111692), (8, 8555846), (13, 5265136), (16, 4277923), (26, 2632568), (52, 1316284), (104, 658142), (109, 627952), (208, 329071), (218, 313976), (436, 156988), (872, 78494), (1417, 48304), (1744, 39247), (2834, 24152), (3019, 22672), (5668, 12076), (6038, 11336)]