217886636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^3\times {\mathrm{37}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 450008160

約数和(自身を除く): 232121524

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 121, 148, 242, 253, 407, 484, 506, 529, 814, 851, 1012, 1058, 1628, 1702, 2116, 2783, 3404, 4477, 5566, 5819, 8954, 9361, 11132, 11638, 12167, 17908, 18722, 19573, 23276, 24334, 37444, 39146, 48668, 64009, 78292, 102971, 128018, 133837, 205942, 215303, 256036, 267674, 411884, 430606, 450179, 535348, 861212, 900358, 1472207, 1800716, 2368333, 2944414, 4736666, 4951969, 5888828, 9473332, 9903938, 19807876, 54471659, 108943318, 217886636]

約数ペア:

[(1, 217886636), (2, 108943318), (4, 54471659), (11, 19807876), (22, 9903938), (23, 9473332), (37, 5888828), (44, 4951969), (46, 4736666), (74, 2944414), (92, 2368333), (121, 1800716), (148, 1472207), (242, 900358), (253, 861212), (407, 535348), (484, 450179), (506, 430606), (529, 411884), (814, 267674), (851, 256036), (1012, 215303), (1058, 205942), (1628, 133837), (1702, 128018), (2116, 102971), (2783, 78292), (3404, 64009), (4477, 48668), (5566, 39146), (5819, 37444), (8954, 24334), (9361, 23276), (11132, 19573), (11638, 18722), (12167, 17908)]