217461608

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 516146400

約数和(自身を除く): 298684792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 139, 182, 196, 278, 307, 364, 392, 556, 614, 637, 728, 973, 1112, 1228, 1274, 1807, 1946, 2149, 2456, 2548, 3614, 3892, 3991, 4298, 5096, 6811, 7228, 7784, 7982, 8596, 12649, 13622, 14456, 15043, 15964, 17192, 25298, 27244, 27937, 30086, 31928, 42673, 50596, 54488, 55874, 60172, 85346, 88543, 101192, 111748, 120344, 170692, 177086, 195559, 223496, 298711, 341384, 354172, 391118, 554749, 597422, 708344, 782236, 1109498, 1194844, 1564472, 2090977, 2218996, 2389688, 3883243, 4181954, 4437992, 7766486, 8363908, 15532972, 16727816, 27182701, 31065944, 54365402, 108730804, 217461608]

約数ペア:

[(1, 217461608), (2, 108730804), (4, 54365402), (7, 31065944), (8, 27182701), (13, 16727816), (14, 15532972), (26, 8363908), (28, 7766486), (49, 4437992), (52, 4181954), (56, 3883243), (91, 2389688), (98, 2218996), (104, 2090977), (139, 1564472), (182, 1194844), (196, 1109498), (278, 782236), (307, 708344), (364, 597422), (392, 554749), (556, 391118), (614, 354172), (637, 341384), (728, 298711), (973, 223496), (1112, 195559), (1228, 177086), (1274, 170692), (1807, 120344), (1946, 111748), (2149, 101192), (2456, 88543), (2548, 85346), (3614, 60172), (3892, 55874), (3991, 54488), (4298, 50596), (5096, 42673), (6811, 31928), (7228, 30086), (7784, 27937), (7982, 27244), (8596, 25298), (12649, 17192), (13622, 15964), (14456, 15043)]