90803988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7907}}^1$

素因数の和:7957

約数の個数: 72

約数和(自身を含む): 259066080

約数和(自身を除く): 168262092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1914, 2871, 3828, 5742, 7907, 11484, 15814, 23721, 31628, 47442, 71163, 86977, 94884, 142326, 173954, 229303, 260931, 284652, 347908, 458606, 521862, 687909, 782793, 917212, 1043724, 1375818, 1565586, 2063727, 2522333, 2751636, 3131172, 4127454, 5044666, 7566999, 8254908, 10089332, 15133998, 22700997, 30267996, 45401994, 90803988]

約数ペア:

[(1, 90803988), (2, 45401994), (3, 30267996), (4, 22700997), (6, 15133998), (9, 10089332), (11, 8254908), (12, 7566999), (18, 5044666), (22, 4127454), (29, 3131172), (33, 2751636), (36, 2522333), (44, 2063727), (58, 1565586), (66, 1375818), (87, 1043724), (99, 917212), (116, 782793), (132, 687909), (174, 521862), (198, 458606), (261, 347908), (319, 284652), (348, 260931), (396, 229303), (522, 173954), (638, 142326), (957, 94884), (1044, 86977), (1276, 71163), (1914, 47442), (2871, 31628), (3828, 23721), (5742, 15814), (7907, 11484)]