81574524

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 218400000

約数和(自身を除く): 136825476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 239, 342, 478, 499, 684, 717, 956, 998, 1434, 1497, 1996, 2151, 2868, 2994, 4302, 4491, 4541, 5988, 8604, 8982, 9082, 9481, 13623, 17964, 18164, 18962, 27246, 28443, 37924, 40869, 54492, 56886, 81738, 85329, 113772, 119261, 163476, 170658, 238522, 341316, 357783, 477044, 715566, 1073349, 1431132, 2146698, 2265959, 4293396, 4531918, 6797877, 9063836, 13595754, 20393631, 27191508, 40787262, 81574524]

約数ペア:

[(1, 81574524), (2, 40787262), (3, 27191508), (4, 20393631), (6, 13595754), (9, 9063836), (12, 6797877), (18, 4531918), (19, 4293396), (36, 2265959), (38, 2146698), (57, 1431132), (76, 1073349), (114, 715566), (171, 477044), (228, 357783), (239, 341316), (342, 238522), (478, 170658), (499, 163476), (684, 119261), (717, 113772), (956, 85329), (998, 81738), (1434, 56886), (1497, 54492), (1996, 40869), (2151, 37924), (2868, 28443), (2994, 27246), (4302, 18962), (4491, 18164), (4541, 17964), (5988, 13623), (8604, 9481), (8982, 9082)]