1881569051728

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1229}}^1\times {\mathrm{877853}}^1$

素因数の和:879199

約数の個数: 40

約数和(自身を含む): 3681983032200

約数和(自身を除く): 1800413980472

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1229, 1744, 2458, 4916, 9832, 19664, 133961, 267922, 535844, 877853, 1071688, 1755706, 2143376, 3511412, 7022824, 14045648, 95685977, 191371954, 382743908, 765487816, 1078881337, 1530975632, 2157762674, 4315525348, 8631050696, 17262101392, 117598065733, 235196131466, 470392262932, 940784525864, 1881569051728]

約数ペア:

[(1, 1881569051728), (2, 940784525864), (4, 470392262932), (8, 235196131466), (16, 117598065733), (109, 17262101392), (218, 8631050696), (436, 4315525348), (872, 2157762674), (1229, 1530975632), (1744, 1078881337), (2458, 765487816), (4916, 382743908), (9832, 191371954), (19664, 95685977), (133961, 14045648), (267922, 7022824), (535844, 3511412), (877853, 2143376), (1071688, 1755706)]