64840356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3353

約数の個数: 72

約数和(自身を含む): 189745920

約数和(自身を除く): 124905564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1659, 2212, 2844, 3257, 3318, 4977, 6514, 6636, 9771, 9954, 13028, 19542, 19908, 22799, 29313, 39084, 45598, 58626, 68397, 91196, 117252, 136794, 205191, 257303, 273588, 410382, 514606, 771909, 820764, 1029212, 1543818, 1801121, 2315727, 3087636, 3602242, 4631454, 5403363, 7204484, 9262908, 10806726, 16210089, 21613452, 32420178, 64840356]

約数ペア:

[(1, 64840356), (2, 32420178), (3, 21613452), (4, 16210089), (6, 10806726), (7, 9262908), (9, 7204484), (12, 5403363), (14, 4631454), (18, 3602242), (21, 3087636), (28, 2315727), (36, 1801121), (42, 1543818), (63, 1029212), (79, 820764), (84, 771909), (126, 514606), (158, 410382), (237, 273588), (252, 257303), (316, 205191), (474, 136794), (553, 117252), (711, 91196), (948, 68397), (1106, 58626), (1422, 45598), (1659, 39084), (2212, 29313), (2844, 22799), (3257, 19908), (3318, 19542), (4977, 13028), (6514, 9954), (6636, 9771)]