291212388

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{86981}}^1$

素因数の和:87025

約数の個数: 48

約数和(自身を含む): 779358720

約数和(自身を除く): 488146332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 86981, 173962, 260943, 347924, 521886, 782829, 1043772, 1565658, 2348487, 2696411, 3131316, 4696974, 5392822, 8089233, 9393948, 10785644, 16178466, 24267699, 32356932, 48535398, 72803097, 97070796, 145606194, 291212388]

約数ペア:

[(1, 291212388), (2, 145606194), (3, 97070796), (4, 72803097), (6, 48535398), (9, 32356932), (12, 24267699), (18, 16178466), (27, 10785644), (31, 9393948), (36, 8089233), (54, 5392822), (62, 4696974), (93, 3131316), (108, 2696411), (124, 2348487), (186, 1565658), (279, 1043772), (372, 782829), (558, 521886), (837, 347924), (1116, 260943), (1674, 173962), (3348, 86981)]