81885136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8747

約数の個数: 40

約数和(自身を含む): 172409600

約数和(自身を除く): 90524464

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 8689, 9424, 17378, 34756, 69512, 139024, 165091, 269359, 330182, 538718, 660364, 1077436, 1320728, 2154872, 2641456, 4309744, 5117821, 10235642, 20471284, 40942568, 81885136]

約数ペア:

[(1, 81885136), (2, 40942568), (4, 20471284), (8, 10235642), (16, 5117821), (19, 4309744), (31, 2641456), (38, 2154872), (62, 1320728), (76, 1077436), (124, 660364), (152, 538718), (248, 330182), (304, 269359), (496, 165091), (589, 139024), (1178, 69512), (2356, 34756), (4712, 17378), (8689, 9424)]