65747988

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 174545280

約数和(自身を除く): 108797292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 284, 348, 426, 522, 639, 852, 887, 1044, 1278, 1774, 2059, 2556, 2661, 3548, 4118, 5322, 6177, 7983, 8236, 10644, 12354, 15966, 18531, 24708, 25723, 31932, 37062, 51446, 62977, 74124, 77169, 102892, 125954, 154338, 188931, 231507, 251908, 308676, 377862, 463014, 566793, 755724, 926028, 1133586, 1826333, 2267172, 3652666, 5478999, 7305332, 10957998, 16436997, 21915996, 32873994, 65747988]

約数ペア:

[(1, 65747988), (2, 32873994), (3, 21915996), (4, 16436997), (6, 10957998), (9, 7305332), (12, 5478999), (18, 3652666), (29, 2267172), (36, 1826333), (58, 1133586), (71, 926028), (87, 755724), (116, 566793), (142, 463014), (174, 377862), (213, 308676), (261, 251908), (284, 231507), (348, 188931), (426, 154338), (522, 125954), (639, 102892), (852, 77169), (887, 74124), (1044, 62977), (1278, 51446), (1774, 37062), (2059, 31932), (2556, 25723), (2661, 24708), (3548, 18531), (4118, 15966), (5322, 12354), (6177, 10644), (7983, 8236)]