2017402855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 2715310080

約数和(自身を除く): 697907225

約数列:

[1, 5, 13, 47, 65, 79, 169, 235, 395, 611, 643, 845, 1027, 3055, 3215, 3713, 5135, 7943, 8359, 13351, 18565, 30221, 39715, 41795, 48269, 50797, 66755, 108667, 151105, 241345, 253985, 392873, 543335, 627497, 660361, 1964365, 2387459, 3137485, 3301805, 5107349, 8584693, 11937295, 25536745, 31036967, 42923465, 155184835, 403480571, 2017402855]

約数ペア:

[(1, 2017402855), (5, 403480571), (13, 155184835), (47, 42923465), (65, 31036967), (79, 25536745), (169, 11937295), (235, 8584693), (395, 5107349), (611, 3301805), (643, 3137485), (845, 2387459), (1027, 1964365), (3055, 660361), (3215, 627497), (3713, 543335), (5135, 392873), (7943, 253985), (8359, 241345), (13351, 151105), (18565, 108667), (30221, 66755), (39715, 50797), (41795, 48269)]