201643408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 399349440

約数和(自身を除く): 197706032

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 556, 568, 1112, 1136, 1277, 2224, 2554, 5108, 9869, 10216, 19738, 20432, 39476, 78952, 90667, 157904, 177503, 181334, 355006, 362668, 710012, 725336, 1420024, 1450672, 2840048, 12602713, 25205426, 50410852, 100821704, 201643408]

約数ペア:

[(1, 201643408), (2, 100821704), (4, 50410852), (8, 25205426), (16, 12602713), (71, 2840048), (139, 1450672), (142, 1420024), (278, 725336), (284, 710012), (556, 362668), (568, 355006), (1112, 181334), (1136, 177503), (1277, 157904), (2224, 90667), (2554, 78952), (5108, 39476), (9869, 20432), (10216, 19738)]