638042652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{36847}}^1$

素因数の和:36907

約数の個数: 72

約数和(自身を含む): 1783885376

約数和(自身を除く): 1145842724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 5772, 8658, 17316, 36847, 73694, 110541, 147388, 221082, 331623, 442164, 479011, 663246, 958022, 1326492, 1363339, 1437033, 1916044, 2726678, 2874066, 4090017, 4311099, 5453356, 5748132, 8180034, 8622198, 12270051, 16360068, 17244396, 17723407, 24540102, 35446814, 49080204, 53170221, 70893628, 106340442, 159510663, 212680884, 319021326, 638042652]

約数ペア:

[(1, 638042652), (2, 319021326), (3, 212680884), (4, 159510663), (6, 106340442), (9, 70893628), (12, 53170221), (13, 49080204), (18, 35446814), (26, 24540102), (36, 17723407), (37, 17244396), (39, 16360068), (52, 12270051), (74, 8622198), (78, 8180034), (111, 5748132), (117, 5453356), (148, 4311099), (156, 4090017), (222, 2874066), (234, 2726678), (333, 1916044), (444, 1437033), (468, 1363339), (481, 1326492), (666, 958022), (962, 663246), (1332, 479011), (1443, 442164), (1924, 331623), (2886, 221082), (4329, 147388), (5772, 110541), (8658, 73694), (17316, 36847)]