72649278

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2858

約数の個数: 64

約数和(自身を含む): 178624320

約数和(自身を除く): 105975042

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1443, 1998, 2797, 2886, 4329, 5594, 8391, 8658, 12987, 16782, 25173, 25974, 36361, 50346, 72722, 75519, 103489, 109083, 151038, 206978, 218166, 310467, 327249, 620934, 654498, 931401, 981747, 1345357, 1862802, 1963494, 2690714, 2794203, 4036071, 5588406, 8072142, 12108213, 24216426, 36324639, 72649278]

約数ペア:

[(1, 72649278), (2, 36324639), (3, 24216426), (6, 12108213), (9, 8072142), (13, 5588406), (18, 4036071), (26, 2794203), (27, 2690714), (37, 1963494), (39, 1862802), (54, 1345357), (74, 981747), (78, 931401), (111, 654498), (117, 620934), (222, 327249), (234, 310467), (333, 218166), (351, 206978), (481, 151038), (666, 109083), (702, 103489), (962, 75519), (999, 72722), (1443, 50346), (1998, 36361), (2797, 25974), (2886, 25173), (4329, 16782), (5594, 12987), (8391, 8658)]