215911457384

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{180563}}^1$

素因数の和:180870

約数の個数: 64

約数和(自身を含む): 469061936640

約数和(自身を除く): 253150479256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 163, 262, 326, 524, 652, 917, 1048, 1141, 1304, 1834, 2282, 3668, 4564, 7336, 9128, 21353, 42706, 85412, 149471, 170824, 180563, 298942, 361126, 597884, 722252, 1195768, 1263941, 1444504, 2527882, 5055764, 10111528, 23653753, 29431769, 47307506, 58863538, 94615012, 117727076, 165576271, 189230024, 206022383, 235454152, 331152542, 412044766, 662305084, 824089532, 1324610168, 1648179064, 3855561739, 7711123478, 15422246956, 26988932173, 30844493912, 53977864346, 107955728692, 215911457384]

約数ペア:

[(1, 215911457384), (2, 107955728692), (4, 53977864346), (7, 30844493912), (8, 26988932173), (14, 15422246956), (28, 7711123478), (56, 3855561739), (131, 1648179064), (163, 1324610168), (262, 824089532), (326, 662305084), (524, 412044766), (652, 331152542), (917, 235454152), (1048, 206022383), (1141, 189230024), (1304, 165576271), (1834, 117727076), (2282, 94615012), (3668, 58863538), (4564, 47307506), (7336, 29431769), (9128, 23653753), (21353, 10111528), (42706, 5055764), (85412, 2527882), (149471, 1444504), (170824, 1263941), (180563, 1195768), (298942, 722252), (361126, 597884)]