161647974

素因数分解:

$2^1\times 3^5\times {\mathrm{131}}^1\times {\mathrm{2539}}^1$

素因数の和:2687

約数の個数: 48

約数和(自身を含む): 366125760

約数和(自身を除く): 204477786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 243, 262, 393, 486, 786, 1179, 2358, 2539, 3537, 5078, 7074, 7617, 10611, 15234, 21222, 22851, 31833, 45702, 63666, 68553, 137106, 205659, 332609, 411318, 616977, 665218, 997827, 1233954, 1995654, 2993481, 5986962, 8980443, 17960886, 26941329, 53882658, 80823987, 161647974]

約数ペア:

[(1, 161647974), (2, 80823987), (3, 53882658), (6, 26941329), (9, 17960886), (18, 8980443), (27, 5986962), (54, 2993481), (81, 1995654), (131, 1233954), (162, 997827), (243, 665218), (262, 616977), (393, 411318), (486, 332609), (786, 205659), (1179, 137106), (2358, 68553), (2539, 63666), (3537, 45702), (5078, 31833), (7074, 22851), (7617, 21222), (10611, 15234)]