9901072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 20590200

約数和(自身を除く): 10689128

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 409, 712, 818, 1424, 1513, 1636, 3026, 3272, 6052, 6544, 6953, 12104, 13906, 24208, 27812, 36401, 55624, 72802, 111248, 145604, 291208, 582416, 618817, 1237634, 2475268, 4950536, 9901072]

約数ペア:

[(1, 9901072), (2, 4950536), (4, 2475268), (8, 1237634), (16, 618817), (17, 582416), (34, 291208), (68, 145604), (89, 111248), (136, 72802), (178, 55624), (272, 36401), (356, 27812), (409, 24208), (712, 13906), (818, 12104), (1424, 6953), (1513, 6544), (1636, 6052), (3026, 3272)]