64688312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1723}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 137937240

約数和(自身を除く): 73248928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1723, 1976, 2888, 3446, 4693, 6892, 9386, 13784, 18772, 22399, 32737, 37544, 44798, 65474, 89596, 130948, 179192, 261896, 425581, 622003, 851162, 1244006, 1702324, 2488012, 3404648, 4976024, 8086039, 16172078, 32344156, 64688312]

約数ペア:

[(1, 64688312), (2, 32344156), (4, 16172078), (8, 8086039), (13, 4976024), (19, 3404648), (26, 2488012), (38, 1702324), (52, 1244006), (76, 851162), (104, 622003), (152, 425581), (247, 261896), (361, 179192), (494, 130948), (722, 89596), (988, 65474), (1444, 44798), (1723, 37544), (1976, 32737), (2888, 22399), (3446, 18772), (4693, 13784), (6892, 9386)]