87981476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 184343040

約数和(自身を除く): 96361564

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 191, 209, 319, 361, 382, 418, 551, 638, 722, 764, 836, 1102, 1276, 1444, 2101, 2204, 3629, 3971, 4202, 5539, 6061, 7258, 7942, 8404, 10469, 11078, 12122, 14516, 15884, 20938, 22156, 24244, 39919, 41876, 60929, 68951, 79838, 105241, 115159, 121858, 137902, 159676, 210482, 230318, 243716, 275804, 420964, 460636, 758461, 1157651, 1516922, 1999579, 2315302, 3033844, 3999158, 4630604, 7998316, 21995369, 43990738, 87981476]

約数ペア:

[(1, 87981476), (2, 43990738), (4, 21995369), (11, 7998316), (19, 4630604), (22, 3999158), (29, 3033844), (38, 2315302), (44, 1999579), (58, 1516922), (76, 1157651), (116, 758461), (191, 460636), (209, 420964), (319, 275804), (361, 243716), (382, 230318), (418, 210482), (551, 159676), (638, 137902), (722, 121858), (764, 115159), (836, 105241), (1102, 79838), (1276, 68951), (1444, 60929), (2101, 41876), (2204, 39919), (3629, 24244), (3971, 22156), (4202, 20938), (5539, 15884), (6061, 14516), (7258, 12122), (7942, 11078), (8404, 10469)]