51991164

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 135145920

約数和(自身を除く): 83154756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 101, 158, 181, 202, 237, 303, 316, 362, 404, 474, 543, 606, 711, 724, 909, 948, 1086, 1212, 1422, 1629, 1818, 2172, 2844, 3258, 3636, 6516, 7979, 14299, 15958, 18281, 23937, 28598, 31916, 36562, 42897, 47874, 54843, 57196, 71811, 73124, 85794, 95748, 109686, 128691, 143622, 164529, 171588, 219372, 257382, 287244, 329058, 514764, 658116, 1444199, 2888398, 4332597, 5776796, 8665194, 12997791, 17330388, 25995582, 51991164]

約数ペア:

[(1, 51991164), (2, 25995582), (3, 17330388), (4, 12997791), (6, 8665194), (9, 5776796), (12, 4332597), (18, 2888398), (36, 1444199), (79, 658116), (101, 514764), (158, 329058), (181, 287244), (202, 257382), (237, 219372), (303, 171588), (316, 164529), (362, 143622), (404, 128691), (474, 109686), (543, 95748), (606, 85794), (711, 73124), (724, 71811), (909, 57196), (948, 54843), (1086, 47874), (1212, 42897), (1422, 36562), (1629, 31916), (1818, 28598), (2172, 23937), (2844, 18281), (3258, 15958), (3636, 14299), (6516, 7979)]