64949948

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 135442944

約数和(自身を除く): 70492996

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 883, 994, 1036, 1766, 1988, 2627, 3532, 5254, 6181, 10508, 12362, 18389, 24724, 32671, 36778, 62693, 65342, 73556, 125386, 130684, 228697, 250772, 438851, 457394, 877702, 914788, 1755404, 2319641, 4639282, 9278564, 16237487, 32474974, 64949948]

約数ペア:

[(1, 64949948), (2, 32474974), (4, 16237487), (7, 9278564), (14, 4639282), (28, 2319641), (37, 1755404), (71, 914788), (74, 877702), (142, 457394), (148, 438851), (259, 250772), (284, 228697), (497, 130684), (518, 125386), (883, 73556), (994, 65342), (1036, 62693), (1766, 36778), (1988, 32671), (2627, 24724), (3532, 18389), (5254, 12362), (6181, 10508)]