290368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:374

約数の個数: 28

約数和(自身を含む): 622300

約数和(自身を除く): 331932

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 349, 416, 698, 832, 1396, 2792, 4537, 5584, 9074, 11168, 18148, 22336, 36296, 72592, 145184, 290368]

約数ペア:

[(1, 290368), (2, 145184), (4, 72592), (8, 36296), (13, 22336), (16, 18148), (26, 11168), (32, 9074), (52, 5584), (64, 4537), (104, 2792), (208, 1396), (349, 832), (416, 698)]