627768328

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{6421}}^1$

素因数の和:6550

約数の個数: 48

約数和(自身を含む): 1306812780

約数和(自身を除く): 679044452

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 484, 808, 968, 1111, 2222, 4444, 6421, 8888, 12221, 12842, 24442, 25684, 48884, 51368, 70631, 97768, 141262, 282524, 565048, 648521, 776941, 1297042, 1553882, 2594084, 3107764, 5188168, 6215528, 7133731, 14267462, 28534924, 57069848, 78471041, 156942082, 313884164, 627768328]

約数ペア:

[(1, 627768328), (2, 313884164), (4, 156942082), (8, 78471041), (11, 57069848), (22, 28534924), (44, 14267462), (88, 7133731), (101, 6215528), (121, 5188168), (202, 3107764), (242, 2594084), (404, 1553882), (484, 1297042), (808, 776941), (968, 648521), (1111, 565048), (2222, 282524), (4444, 141262), (6421, 97768), (8888, 70631), (12221, 51368), (12842, 48884), (24442, 25684)]