71399380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{883}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 162175104

約数和(自身を除く): 90775724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 883, 1244, 1555, 1766, 3110, 3532, 4043, 4415, 6220, 8086, 8830, 11479, 16172, 17660, 20215, 22958, 40430, 45916, 57395, 80860, 114790, 229580, 274613, 549226, 1098452, 1373065, 2746130, 3569969, 5492260, 7139938, 14279876, 17849845, 35699690, 71399380]

約数ペア:

[(1, 71399380), (2, 35699690), (4, 17849845), (5, 14279876), (10, 7139938), (13, 5492260), (20, 3569969), (26, 2746130), (52, 1373065), (65, 1098452), (130, 549226), (260, 274613), (311, 229580), (622, 114790), (883, 80860), (1244, 57395), (1555, 45916), (1766, 40430), (3110, 22958), (3532, 20215), (4043, 17660), (4415, 16172), (6220, 11479), (8086, 8830)]