28940528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1033}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 60005088

約数和(自身を除く): 31064560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 824, 1033, 1648, 1751, 2066, 3502, 4132, 7004, 8264, 14008, 16528, 17561, 28016, 35122, 70244, 106399, 140488, 212798, 280976, 425596, 851192, 1702384, 1808783, 3617566, 7235132, 14470264, 28940528]

約数ペア:

[(1, 28940528), (2, 14470264), (4, 7235132), (8, 3617566), (16, 1808783), (17, 1702384), (34, 851192), (68, 425596), (103, 280976), (136, 212798), (206, 140488), (272, 106399), (412, 70244), (824, 35122), (1033, 28016), (1648, 17561), (1751, 16528), (2066, 14008), (3502, 8264), (4132, 7004)]