90687988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 180432000

約数和(自身を除く): 89744012

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 437, 551, 667, 874, 1102, 1334, 1748, 1789, 2204, 2668, 3578, 7156, 12673, 25346, 33991, 41147, 50692, 51881, 67982, 82294, 103762, 135964, 164588, 207524, 781793, 985739, 1193263, 1563586, 1971478, 2386526, 3127172, 3942956, 4773052, 22671997, 45343994, 90687988]

約数ペア:

[(1, 90687988), (2, 45343994), (4, 22671997), (19, 4773052), (23, 3942956), (29, 3127172), (38, 2386526), (46, 1971478), (58, 1563586), (76, 1193263), (92, 985739), (116, 781793), (437, 207524), (551, 164588), (667, 135964), (874, 103762), (1102, 82294), (1334, 67982), (1748, 51881), (1789, 50692), (2204, 41147), (2668, 33991), (3578, 25346), (7156, 12673)]