28270736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 59371200

約数和(自身を除く): 31100464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 683, 796, 1366, 1592, 2587, 2732, 3184, 5174, 5464, 8879, 10348, 10928, 17758, 20696, 35516, 41392, 71032, 135917, 142064, 271834, 543668, 1087336, 1766921, 2174672, 3533842, 7067684, 14135368, 28270736]

約数ペア:

[(1, 28270736), (2, 14135368), (4, 7067684), (8, 3533842), (13, 2174672), (16, 1766921), (26, 1087336), (52, 543668), (104, 271834), (199, 142064), (208, 135917), (398, 71032), (683, 41392), (796, 35516), (1366, 20696), (1592, 17758), (2587, 10928), (2732, 10348), (3184, 8879), (5174, 5464)]