121231266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 272004096

約数和(自身を除く): 150772830

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 181, 186, 277, 362, 403, 543, 554, 806, 831, 1086, 1209, 1662, 2353, 2418, 3601, 4706, 5611, 7059, 7202, 8587, 10803, 11222, 14118, 16833, 17174, 21606, 25761, 33666, 50137, 51522, 72943, 100274, 111631, 145886, 150411, 218829, 223262, 300822, 334893, 437658, 651781, 669786, 1303562, 1554247, 1955343, 3108494, 3910686, 4662741, 9325482, 20205211, 40410422, 60615633, 121231266]

約数ペア:

[(1, 121231266), (2, 60615633), (3, 40410422), (6, 20205211), (13, 9325482), (26, 4662741), (31, 3910686), (39, 3108494), (62, 1955343), (78, 1554247), (93, 1303562), (181, 669786), (186, 651781), (277, 437658), (362, 334893), (403, 300822), (543, 223262), (554, 218829), (806, 150411), (831, 145886), (1086, 111631), (1209, 100274), (1662, 72943), (2353, 51522), (2418, 50137), (3601, 33666), (4706, 25761), (5611, 21606), (7059, 17174), (7202, 16833), (8587, 14118), (10803, 11222)]