221567476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 430303104

約数和(自身を除く): 208735628

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 197, 394, 503, 559, 788, 1006, 1118, 2012, 2236, 2561, 5122, 6539, 8471, 10244, 13078, 16942, 21629, 26156, 33884, 43258, 86516, 99091, 110123, 198182, 220246, 281177, 396364, 440492, 562354, 1124708, 1288183, 2576366, 4260913, 5152732, 8521826, 17043652, 55391869, 110783738, 221567476]

約数ペア:

[(1, 221567476), (2, 110783738), (4, 55391869), (13, 17043652), (26, 8521826), (43, 5152732), (52, 4260913), (86, 2576366), (172, 1288183), (197, 1124708), (394, 562354), (503, 440492), (559, 396364), (788, 281177), (1006, 220246), (1118, 198182), (2012, 110123), (2236, 99091), (2561, 86516), (5122, 43258), (6539, 33884), (8471, 26156), (10244, 21629), (13078, 16942)]