16890064

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 34317000

約数和(自身を除く): 17426936

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 356, 409, 464, 712, 818, 1424, 1636, 2581, 3272, 5162, 6544, 10324, 11861, 20648, 23722, 36401, 41296, 47444, 72802, 94888, 145604, 189776, 291208, 582416, 1055629, 2111258, 4222516, 8445032, 16890064]

約数ペア:

[(1, 16890064), (2, 8445032), (4, 4222516), (8, 2111258), (16, 1055629), (29, 582416), (58, 291208), (89, 189776), (116, 145604), (178, 94888), (232, 72802), (356, 47444), (409, 41296), (464, 36401), (712, 23722), (818, 20648), (1424, 11861), (1636, 10324), (2581, 6544), (3272, 5162)]