203411312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2269}}^1$

素因数の和:2721

約数の個数: 40

約数和(自身を含む): 425597760

約数和(自身を除く): 222186448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 2269, 3448, 4538, 5603, 6896, 9076, 11206, 18152, 22412, 29497, 36304, 44824, 58994, 89648, 117988, 235976, 471952, 977939, 1955878, 3911756, 7823512, 12713207, 15647024, 25426414, 50852828, 101705656, 203411312]

約数ペア:

[(1, 203411312), (2, 101705656), (4, 50852828), (8, 25426414), (13, 15647024), (16, 12713207), (26, 7823512), (52, 3911756), (104, 1955878), (208, 977939), (431, 471952), (862, 235976), (1724, 117988), (2269, 89648), (3448, 58994), (4538, 44824), (5603, 36304), (6896, 29497), (9076, 22412), (11206, 18152)]