215542938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6919

約数の個数: 48

約数和(自身を含む): 481925376

約数和(自身を除く): 266382438

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 1014, 1209, 2418, 5239, 6857, 10478, 13714, 15717, 20571, 31434, 41142, 89141, 178282, 212567, 267423, 425134, 534846, 637701, 1158833, 1275402, 2317666, 2763371, 3476499, 5526742, 6952998, 8290113, 16580226, 35923823, 71847646, 107771469, 215542938]

約数ペア:

[(1, 215542938), (2, 107771469), (3, 71847646), (6, 35923823), (13, 16580226), (26, 8290113), (31, 6952998), (39, 5526742), (62, 3476499), (78, 2763371), (93, 2317666), (169, 1275402), (186, 1158833), (338, 637701), (403, 534846), (507, 425134), (806, 267423), (1014, 212567), (1209, 178282), (2418, 89141), (5239, 41142), (6857, 31434), (10478, 20571), (13714, 15717)]