28697262724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{30119}}^1$

素因数の和:30460

約数の個数: 48

約数和(自身を含む): 55044420480

約数和(自身を除く): 26347157756

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 251, 292, 502, 949, 1004, 1898, 3263, 3796, 6526, 13052, 18323, 30119, 36646, 60238, 73292, 120476, 238199, 391547, 476398, 783094, 952796, 1566188, 2198687, 4397374, 7559869, 8794748, 15119738, 28582931, 30239476, 57165862, 98278297, 114331724, 196556594, 393113188, 551870437, 1103740874, 2207481748, 7174315681, 14348631362, 28697262724]

約数ペア:

[(1, 28697262724), (2, 14348631362), (4, 7174315681), (13, 2207481748), (26, 1103740874), (52, 551870437), (73, 393113188), (146, 196556594), (251, 114331724), (292, 98278297), (502, 57165862), (949, 30239476), (1004, 28582931), (1898, 15119738), (3263, 8794748), (3796, 7559869), (6526, 4397374), (13052, 2198687), (18323, 1566188), (30119, 952796), (36646, 783094), (60238, 476398), (73292, 391547), (120476, 238199)]