16861390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2681

約数の個数: 48

約数和(自身を含む): 38035872

約数和(自身を除く): 21174482

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2647, 3185, 5294, 6370, 13235, 18529, 26470, 34411, 37058, 68822, 92645, 129703, 172055, 185290, 240877, 259406, 344110, 481754, 648515, 1204385, 1297030, 1686139, 2408770, 3372278, 8430695, 16861390]

約数ペア:

[(1, 16861390), (2, 8430695), (5, 3372278), (7, 2408770), (10, 1686139), (13, 1297030), (14, 1204385), (26, 648515), (35, 481754), (49, 344110), (65, 259406), (70, 240877), (91, 185290), (98, 172055), (130, 129703), (182, 92645), (245, 68822), (455, 37058), (490, 34411), (637, 26470), (910, 18529), (1274, 13235), (2647, 6370), (3185, 5294)]