387425164

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 808980480

約数和(自身を除く): 421555316

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 131, 158, 191, 196, 262, 316, 382, 524, 553, 764, 917, 1106, 1337, 1834, 2212, 2674, 3668, 3871, 5348, 6419, 7742, 9359, 10349, 12838, 15089, 15484, 18718, 20698, 25021, 25676, 30178, 37436, 41396, 50042, 60356, 72443, 100084, 105623, 144886, 175147, 211246, 289772, 350294, 422492, 507101, 700588, 739361, 1014202, 1226029, 1478722, 1976659, 2028404, 2452058, 2957444, 3953318, 4904116, 7906636, 13836613, 27673226, 55346452, 96856291, 193712582, 387425164]

約数ペア:

[(1, 387425164), (2, 193712582), (4, 96856291), (7, 55346452), (14, 27673226), (28, 13836613), (49, 7906636), (79, 4904116), (98, 3953318), (131, 2957444), (158, 2452058), (191, 2028404), (196, 1976659), (262, 1478722), (316, 1226029), (382, 1014202), (524, 739361), (553, 700588), (764, 507101), (917, 422492), (1106, 350294), (1337, 289772), (1834, 211246), (2212, 175147), (2674, 144886), (3668, 105623), (3871, 100084), (5348, 72443), (6419, 60356), (7742, 50042), (9359, 41396), (10349, 37436), (12838, 30178), (15089, 25676), (15484, 25021), (18718, 20698)]