251010890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{11161}}^1$

素因数の和:11354

約数の個数: 32

約数和(自身を含む): 489431376

約数和(自身を除く): 238420486

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 11161, 11245, 22322, 22490, 55805, 111610, 145093, 290186, 725465, 1450930, 1930853, 3861706, 9654265, 19308530, 25101089, 50202178, 125505445, 251010890]

約数ペア:

[(1, 251010890), (2, 125505445), (5, 50202178), (10, 25101089), (13, 19308530), (26, 9654265), (65, 3861706), (130, 1930853), (173, 1450930), (346, 725465), (865, 290186), (1730, 145093), (2249, 111610), (4498, 55805), (11161, 22490), (11245, 22322)]