81431448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10313}}^1$

素因数の和:10376

約数の個数: 64

約数和(自身を含む): 237634560

約数和(自身を除く): 156203112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896, 10313, 20626, 30939, 41252, 61878, 72191, 82504, 123756, 144382, 216573, 247512, 288764, 433146, 484711, 577528, 866292, 969422, 1454133, 1732584, 1938844, 2908266, 3392977, 3877688, 5816532, 6785954, 10178931, 11633064, 13571908, 20357862, 27143816, 40715724, 81431448]

約数ペア:

[(1, 81431448), (2, 40715724), (3, 27143816), (4, 20357862), (6, 13571908), (7, 11633064), (8, 10178931), (12, 6785954), (14, 5816532), (21, 3877688), (24, 3392977), (28, 2908266), (42, 1938844), (47, 1732584), (56, 1454133), (84, 969422), (94, 866292), (141, 577528), (168, 484711), (188, 433146), (282, 288764), (329, 247512), (376, 216573), (564, 144382), (658, 123756), (987, 82504), (1128, 72191), (1316, 61878), (1974, 41252), (2632, 30939), (3948, 20626), (7896, 10313)]