212120712

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{8161}}^1$

素因数の和:8211

約数の個数: 72

約数和(自身を含む): 606395790

約数和(自身を除く): 394275078

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1368, 1444, 2166, 2888, 3249, 4332, 6498, 8161, 8664, 12996, 16322, 24483, 25992, 32644, 48966, 65288, 73449, 97932, 146898, 155059, 195864, 293796, 310118, 465177, 587592, 620236, 930354, 1240472, 1395531, 1860708, 2791062, 2946121, 3721416, 5582124, 5892242, 8838363, 11164248, 11784484, 17676726, 23568968, 26515089, 35353452, 53030178, 70706904, 106060356, 212120712]

約数ペア:

[(1, 212120712), (2, 106060356), (3, 70706904), (4, 53030178), (6, 35353452), (8, 26515089), (9, 23568968), (12, 17676726), (18, 11784484), (19, 11164248), (24, 8838363), (36, 5892242), (38, 5582124), (57, 3721416), (72, 2946121), (76, 2791062), (114, 1860708), (152, 1395531), (171, 1240472), (228, 930354), (342, 620236), (361, 587592), (456, 465177), (684, 310118), (722, 293796), (1083, 195864), (1368, 155059), (1444, 146898), (2166, 97932), (2888, 73449), (3249, 65288), (4332, 48966), (6498, 32644), (8161, 25992), (8664, 24483), (12996, 16322)]