61961284

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 142490880

約数和(自身を除く): 80529596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 991, 1078, 1276, 1421, 1982, 2156, 2233, 2842, 3964, 4466, 5684, 6937, 8932, 10901, 13874, 15631, 21802, 27748, 28739, 31262, 43604, 48559, 57478, 62524, 76307, 97118, 114956, 152614, 194236, 201173, 305228, 316129, 402346, 534149, 632258, 804692, 1068298, 1264516, 1408211, 2136596, 2212903, 2816422, 4425806, 5632844, 8851612, 15490321, 30980642, 61961284]

約数ペア:

[(1, 61961284), (2, 30980642), (4, 15490321), (7, 8851612), (11, 5632844), (14, 4425806), (22, 2816422), (28, 2212903), (29, 2136596), (44, 1408211), (49, 1264516), (58, 1068298), (77, 804692), (98, 632258), (116, 534149), (154, 402346), (196, 316129), (203, 305228), (308, 201173), (319, 194236), (406, 152614), (539, 114956), (638, 97118), (812, 76307), (991, 62524), (1078, 57478), (1276, 48559), (1421, 43604), (1982, 31262), (2156, 28739), (2233, 27748), (2842, 21802), (3964, 15631), (4466, 13874), (5684, 10901), (6937, 8932)]