215751996

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4397}}^1$

素因数の和:4483

約数の個数: 72

約数和(自身を含む): 576313920

約数和(自身を除く): 360561924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 47, 58, 87, 94, 116, 141, 174, 188, 261, 282, 348, 423, 522, 564, 846, 1044, 1363, 1692, 2726, 4089, 4397, 5452, 8178, 8794, 12267, 13191, 16356, 17588, 24534, 26382, 39573, 49068, 52764, 79146, 127513, 158292, 206659, 255026, 382539, 413318, 510052, 619977, 765078, 826636, 1147617, 1239954, 1530156, 1859931, 2295234, 2479908, 3719862, 4590468, 5993111, 7439724, 11986222, 17979333, 23972444, 35958666, 53937999, 71917332, 107875998, 215751996]

約数ペア:

[(1, 215751996), (2, 107875998), (3, 71917332), (4, 53937999), (6, 35958666), (9, 23972444), (12, 17979333), (18, 11986222), (29, 7439724), (36, 5993111), (47, 4590468), (58, 3719862), (87, 2479908), (94, 2295234), (116, 1859931), (141, 1530156), (174, 1239954), (188, 1147617), (261, 826636), (282, 765078), (348, 619977), (423, 510052), (522, 413318), (564, 382539), (846, 255026), (1044, 206659), (1363, 158292), (1692, 127513), (2726, 79146), (4089, 52764), (4397, 49068), (5452, 39573), (8178, 26382), (8794, 24534), (12267, 17588), (13191, 16356)]