291659056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 626848768

約数和(自身を除く): 335189712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 127, 181, 208, 244, 254, 362, 488, 508, 724, 793, 976, 1016, 1448, 1586, 1651, 2032, 2353, 2896, 3172, 3302, 4706, 6344, 6604, 7747, 9412, 11041, 12688, 13208, 15494, 18824, 22082, 22987, 26416, 30988, 37648, 44164, 45974, 61976, 88328, 91948, 100711, 123952, 143533, 176656, 183896, 201422, 287066, 298831, 367792, 402844, 574132, 597662, 805688, 1148264, 1195324, 1402207, 1611376, 2296528, 2390648, 2804414, 4781296, 5608828, 11217656, 18228691, 22435312, 36457382, 72914764, 145829528, 291659056]

約数ペア:

[(1, 291659056), (2, 145829528), (4, 72914764), (8, 36457382), (13, 22435312), (16, 18228691), (26, 11217656), (52, 5608828), (61, 4781296), (104, 2804414), (122, 2390648), (127, 2296528), (181, 1611376), (208, 1402207), (244, 1195324), (254, 1148264), (362, 805688), (488, 597662), (508, 574132), (724, 402844), (793, 367792), (976, 298831), (1016, 287066), (1448, 201422), (1586, 183896), (1651, 176656), (2032, 143533), (2353, 123952), (2896, 100711), (3172, 91948), (3302, 88328), (4706, 61976), (6344, 45974), (6604, 44164), (7747, 37648), (9412, 30988), (11041, 26416), (12688, 22987), (13208, 22082), (15494, 18824)]