890472414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1291}}^1$

素因数の和:1585

約数の個数: 64

約数和(自身を含む): 1979550720

約数和(自身を除く): 1089078306

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 239, 478, 481, 717, 962, 1291, 1434, 1443, 2582, 2886, 3107, 3873, 6214, 7746, 8843, 9321, 16783, 17686, 18642, 26529, 33566, 47767, 50349, 53058, 95534, 100698, 114959, 143301, 229918, 286602, 308549, 344877, 617098, 620971, 689754, 925647, 1241942, 1851294, 1862913, 3725826, 4011137, 8022274, 11416313, 12033411, 22832626, 24066822, 34248939, 68497878, 148412069, 296824138, 445236207, 890472414]

約数ペア:

[(1, 890472414), (2, 445236207), (3, 296824138), (6, 148412069), (13, 68497878), (26, 34248939), (37, 24066822), (39, 22832626), (74, 12033411), (78, 11416313), (111, 8022274), (222, 4011137), (239, 3725826), (478, 1862913), (481, 1851294), (717, 1241942), (962, 925647), (1291, 689754), (1434, 620971), (1443, 617098), (2582, 344877), (2886, 308549), (3107, 286602), (3873, 229918), (6214, 143301), (7746, 114959), (8843, 100698), (9321, 95534), (16783, 53058), (17686, 50349), (18642, 47767), (26529, 33566)]