1220955088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{15679}}^1$

素因数の和:15875

約数の個数: 40

約数和(自身を含む): 2457620480

約数和(自身を除く): 1236665392

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 4867, 9734, 15679, 19468, 31358, 38936, 62716, 77872, 125432, 250864, 486049, 972098, 1944196, 2461603, 3888392, 4923206, 7776784, 9846412, 19692824, 39385648, 76309693, 152619386, 305238772, 610477544, 1220955088]

約数ペア:

[(1, 1220955088), (2, 610477544), (4, 305238772), (8, 152619386), (16, 76309693), (31, 39385648), (62, 19692824), (124, 9846412), (157, 7776784), (248, 4923206), (314, 3888392), (496, 2461603), (628, 1944196), (1256, 972098), (2512, 486049), (4867, 250864), (9734, 125432), (15679, 77872), (19468, 62716), (31358, 38936)]