68431528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 149688000

約数和(自身を除く): 81256472

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 149, 187, 298, 307, 374, 596, 614, 748, 1192, 1228, 1496, 1639, 2456, 2533, 3278, 3377, 5066, 5219, 6556, 6754, 10132, 10438, 13112, 13508, 20264, 20876, 27016, 27863, 41752, 45743, 55726, 57409, 91486, 111452, 114818, 182972, 222904, 229636, 365944, 459272, 503173, 777631, 1006346, 1555262, 2012692, 3110524, 4025384, 6221048, 8553941, 17107882, 34215764, 68431528]

約数ペア:

[(1, 68431528), (2, 34215764), (4, 17107882), (8, 8553941), (11, 6221048), (17, 4025384), (22, 3110524), (34, 2012692), (44, 1555262), (68, 1006346), (88, 777631), (136, 503173), (149, 459272), (187, 365944), (298, 229636), (307, 222904), (374, 182972), (596, 114818), (614, 111452), (748, 91486), (1192, 57409), (1228, 55726), (1496, 45743), (1639, 41752), (2456, 27863), (2533, 27016), (3278, 20876), (3377, 20264), (5066, 13508), (5219, 13112), (6556, 10438), (6754, 10132)]