9994972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 20123712

約数和(自身を除く): 10128740

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 137, 244, 274, 299, 548, 598, 793, 1196, 1403, 1586, 1781, 2806, 3151, 3172, 3562, 5612, 6302, 7124, 8357, 12604, 16714, 18239, 33428, 36478, 40963, 72956, 81926, 108641, 163852, 192211, 217282, 384422, 434564, 768844, 2498743, 4997486, 9994972]

約数ペア:

[(1, 9994972), (2, 4997486), (4, 2498743), (13, 768844), (23, 434564), (26, 384422), (46, 217282), (52, 192211), (61, 163852), (92, 108641), (122, 81926), (137, 72956), (244, 40963), (274, 36478), (299, 33428), (548, 18239), (598, 16714), (793, 12604), (1196, 8357), (1403, 7124), (1586, 6302), (1781, 5612), (2806, 3562), (3151, 3172)]