81528056

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 164122200

約数和(自身を除く): 82594144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 197, 289, 358, 394, 578, 716, 788, 1156, 1432, 1576, 2312, 3043, 3349, 6086, 6698, 12172, 13396, 24344, 26792, 35263, 51731, 56933, 70526, 103462, 113866, 141052, 206924, 227732, 282104, 413848, 455464, 599471, 1198942, 2397884, 4795768, 10191007, 20382014, 40764028, 81528056]

約数ペア:

[(1, 81528056), (2, 40764028), (4, 20382014), (8, 10191007), (17, 4795768), (34, 2397884), (68, 1198942), (136, 599471), (179, 455464), (197, 413848), (289, 282104), (358, 227732), (394, 206924), (578, 141052), (716, 113866), (788, 103462), (1156, 70526), (1432, 56933), (1576, 51731), (2312, 35263), (3043, 26792), (3349, 24344), (6086, 13396), (6698, 12172)]