312501488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2381}}^1$

素因数の和:3033

約数の個数: 40

約数和(自身を含む): 653354016

約数和(自身を除く): 340852528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1262, 2381, 2524, 4762, 5048, 8203, 9524, 10096, 16406, 19048, 30953, 32812, 38096, 61906, 65624, 123812, 131248, 247624, 495248, 1502411, 3004822, 6009644, 12019288, 19531343, 24038576, 39062686, 78125372, 156250744, 312501488]

約数ペア:

[(1, 312501488), (2, 156250744), (4, 78125372), (8, 39062686), (13, 24038576), (16, 19531343), (26, 12019288), (52, 6009644), (104, 3004822), (208, 1502411), (631, 495248), (1262, 247624), (2381, 131248), (2524, 123812), (4762, 65624), (5048, 61906), (8203, 38096), (9524, 32812), (10096, 30953), (16406, 19048)]