28004848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 57920400

約数和(自身を除く): 29915552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 596, 691, 1192, 1382, 2384, 2533, 2764, 5066, 5528, 10132, 11056, 11747, 20264, 23494, 40528, 46988, 93976, 102959, 187952, 205918, 411836, 823672, 1647344, 1750303, 3500606, 7001212, 14002424, 28004848]

約数ペア:

[(1, 28004848), (2, 14002424), (4, 7001212), (8, 3500606), (16, 1750303), (17, 1647344), (34, 823672), (68, 411836), (136, 205918), (149, 187952), (272, 102959), (298, 93976), (596, 46988), (691, 40528), (1192, 23494), (1382, 20264), (2384, 11747), (2533, 11056), (2764, 10132), (5066, 5528)]