71812804

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 147958272

約数和(自身を除く): 76145468

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 197, 277, 329, 394, 554, 658, 788, 1108, 1316, 1379, 1939, 2758, 3878, 5516, 7756, 9259, 13019, 18518, 26038, 37036, 52076, 54569, 64813, 91133, 109138, 129626, 182266, 218276, 259252, 364532, 381983, 763966, 1527932, 2564743, 5129486, 10258972, 17953201, 35906402, 71812804]

約数ペア:

[(1, 71812804), (2, 35906402), (4, 17953201), (7, 10258972), (14, 5129486), (28, 2564743), (47, 1527932), (94, 763966), (188, 381983), (197, 364532), (277, 259252), (329, 218276), (394, 182266), (554, 129626), (658, 109138), (788, 91133), (1108, 64813), (1316, 54569), (1379, 52076), (1939, 37036), (2758, 26038), (3878, 18518), (5516, 13019), (7756, 9259)]