161888930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121721}}^1$

素因数の和:121754

約数の個数: 32

約数和(自身を含む): 350559360

約数和(自身を除く): 188670430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 121721, 243442, 608605, 852047, 1217210, 1704094, 2312699, 4260235, 4625398, 8520470, 11563495, 16188893, 23126990, 32377786, 80944465, 161888930]

約数ペア:

[(1, 161888930), (2, 80944465), (5, 32377786), (7, 23126990), (10, 16188893), (14, 11563495), (19, 8520470), (35, 4625398), (38, 4260235), (70, 2312699), (95, 1704094), (133, 1217210), (190, 852047), (266, 608605), (665, 243442), (1330, 121721)]