219979136

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{132199}}^1$

素因数の和:132226

約数の個数: 32

約数和(自身を含む): 471954000

約数和(自身を除く): 251974864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 132199, 264398, 528796, 1057592, 1718587, 2115184, 3437174, 4230368, 6874348, 8460736, 13748696, 16921472, 27497392, 54994784, 109989568, 219979136]

約数ペア:

[(1, 219979136), (2, 109989568), (4, 54994784), (8, 27497392), (13, 16921472), (16, 13748696), (26, 8460736), (32, 6874348), (52, 4230368), (64, 3437174), (104, 2115184), (128, 1718587), (208, 1057592), (416, 528796), (832, 264398), (1664, 132199)]