208797688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 459302400

約数和(自身を除く): 250504712

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 376, 418, 517, 836, 893, 1034, 1672, 1786, 2068, 2657, 3572, 4136, 5314, 7144, 9823, 10628, 19646, 21256, 29227, 39292, 50483, 58454, 78584, 100966, 116908, 124879, 201932, 233816, 249758, 403864, 499516, 555313, 999032, 1110626, 1373669, 2221252, 2372701, 2747338, 4442504, 4745402, 5494676, 9490804, 10989352, 18981608, 26099711, 52199422, 104398844, 208797688]

約数ペア:

[(1, 208797688), (2, 104398844), (4, 52199422), (8, 26099711), (11, 18981608), (19, 10989352), (22, 9490804), (38, 5494676), (44, 4745402), (47, 4442504), (76, 2747338), (88, 2372701), (94, 2221252), (152, 1373669), (188, 1110626), (209, 999032), (376, 555313), (418, 499516), (517, 403864), (836, 249758), (893, 233816), (1034, 201932), (1672, 124879), (1786, 116908), (2068, 100966), (2657, 78584), (3572, 58454), (4136, 50483), (5314, 39292), (7144, 29227), (9823, 21256), (10628, 19646)]