257509992

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1367}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 661893120

約数和(自身を除く): 404383128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 167, 188, 282, 334, 376, 501, 564, 668, 1002, 1128, 1336, 1367, 2004, 2734, 4008, 4101, 5468, 7849, 8202, 10936, 15698, 16404, 23547, 31396, 32808, 47094, 62792, 64249, 94188, 128498, 188376, 192747, 228289, 256996, 385494, 456578, 513992, 684867, 770988, 913156, 1369734, 1541976, 1826312, 2739468, 5478936, 10729583, 21459166, 32188749, 42918332, 64377498, 85836664, 128754996, 257509992]

約数ペア:

[(1, 257509992), (2, 128754996), (3, 85836664), (4, 64377498), (6, 42918332), (8, 32188749), (12, 21459166), (24, 10729583), (47, 5478936), (94, 2739468), (141, 1826312), (167, 1541976), (188, 1369734), (282, 913156), (334, 770988), (376, 684867), (501, 513992), (564, 456578), (668, 385494), (1002, 256996), (1128, 228289), (1336, 192747), (1367, 188376), (2004, 128498), (2734, 94188), (4008, 64249), (4101, 62792), (5468, 47094), (7849, 32808), (8202, 31396), (10936, 23547), (15698, 16404)]