31004974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 66189312

約数和(自身を除く): 35184338

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 374, 442, 911, 1001, 1309, 1547, 1822, 2002, 2431, 2618, 3094, 4862, 6377, 10021, 11843, 12754, 15487, 17017, 20042, 23686, 30974, 34034, 70147, 82901, 108409, 130273, 140294, 165802, 170357, 201331, 216818, 260546, 340714, 402662, 911911, 1192499, 1409317, 1823822, 2214641, 2384998, 2818634, 4429282, 15502487, 31004974]

約数ペア:

[(1, 31004974), (2, 15502487), (7, 4429282), (11, 2818634), (13, 2384998), (14, 2214641), (17, 1823822), (22, 1409317), (26, 1192499), (34, 911911), (77, 402662), (91, 340714), (119, 260546), (143, 216818), (154, 201331), (182, 170357), (187, 165802), (221, 140294), (238, 130273), (286, 108409), (374, 82901), (442, 70147), (911, 34034), (1001, 30974), (1309, 23686), (1547, 20042), (1822, 17017), (2002, 15487), (2431, 12754), (2618, 11843), (3094, 10021), (4862, 6377)]