247819208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 602112000

約数和(自身を除く): 354292792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 79, 91, 104, 124, 139, 158, 182, 217, 248, 278, 316, 364, 403, 434, 553, 556, 632, 728, 806, 868, 973, 1027, 1106, 1112, 1612, 1736, 1807, 1946, 2054, 2212, 2449, 2821, 3224, 3614, 3892, 4108, 4309, 4424, 4898, 5642, 7189, 7228, 7784, 8216, 8618, 9796, 10981, 11284, 12649, 14378, 14456, 17143, 17236, 19592, 21962, 22568, 25298, 28756, 30163, 31837, 34286, 34472, 43924, 50596, 56017, 57512, 60326, 63674, 68572, 76867, 87848, 101192, 112034, 120652, 127348, 137144, 142753, 153734, 222859, 224068, 241304, 254696, 285506, 307468, 340411, 392119, 445718, 448136, 571012, 614936, 680822, 784238, 891436, 999271, 1142024, 1361644, 1568476, 1782872, 1998542, 2382877, 2723288, 3136952, 3997084, 4425343, 4765754, 7994168, 8850686, 9531508, 17701372, 19063016, 30977401, 35402744, 61954802, 123909604, 247819208]

約数ペア:

[(1, 247819208), (2, 123909604), (4, 61954802), (7, 35402744), (8, 30977401), (13, 19063016), (14, 17701372), (26, 9531508), (28, 8850686), (31, 7994168), (52, 4765754), (56, 4425343), (62, 3997084), (79, 3136952), (91, 2723288), (104, 2382877), (124, 1998542), (139, 1782872), (158, 1568476), (182, 1361644), (217, 1142024), (248, 999271), (278, 891436), (316, 784238), (364, 680822), (403, 614936), (434, 571012), (553, 448136), (556, 445718), (632, 392119), (728, 340411), (806, 307468), (868, 285506), (973, 254696), (1027, 241304), (1106, 224068), (1112, 222859), (1612, 153734), (1736, 142753), (1807, 137144), (1946, 127348), (2054, 120652), (2212, 112034), (2449, 101192), (2821, 87848), (3224, 76867), (3614, 68572), (3892, 63674), (4108, 60326), (4309, 57512), (4424, 56017), (4898, 50596), (5642, 43924), (7189, 34472), (7228, 34286), (7784, 31837), (8216, 30163), (8618, 28756), (9796, 25298), (10981, 22568), (11284, 21962), (12649, 19592), (14378, 17236), (14456, 17143)]