161218352

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7559}}^1$

素因数の和:7641

約数の個数: 40

約数和(自身を含む): 329978880

約数和(自身を除く): 168760528

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 7559, 10664, 15118, 21328, 30236, 60472, 120944, 234329, 325037, 468658, 650074, 937316, 1300148, 1874632, 2600296, 3749264, 5200592, 10076147, 20152294, 40304588, 80609176, 161218352]

約数ペア:

[(1, 161218352), (2, 80609176), (4, 40304588), (8, 20152294), (16, 10076147), (31, 5200592), (43, 3749264), (62, 2600296), (86, 1874632), (124, 1300148), (172, 937316), (248, 650074), (344, 468658), (496, 325037), (688, 234329), (1333, 120944), (2666, 60472), (5332, 30236), (7559, 21328), (10664, 15118)]