31409608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 65862720

約数和(自身を除く): 34453112

約数列:

[1, 2, 4, 8, 17, 34, 41, 43, 68, 82, 86, 131, 136, 164, 172, 262, 328, 344, 524, 697, 731, 1048, 1394, 1462, 1763, 2227, 2788, 2924, 3526, 4454, 5371, 5576, 5633, 5848, 7052, 8908, 10742, 11266, 14104, 17816, 21484, 22532, 29971, 42968, 45064, 59942, 91307, 95761, 119884, 182614, 191522, 230953, 239768, 365228, 383044, 461906, 730456, 766088, 923812, 1847624, 3926201, 7852402, 15704804, 31409608]

約数ペア:

[(1, 31409608), (2, 15704804), (4, 7852402), (8, 3926201), (17, 1847624), (34, 923812), (41, 766088), (43, 730456), (68, 461906), (82, 383044), (86, 365228), (131, 239768), (136, 230953), (164, 191522), (172, 182614), (262, 119884), (328, 95761), (344, 91307), (524, 59942), (697, 45064), (731, 42968), (1048, 29971), (1394, 22532), (1462, 21484), (1763, 17816), (2227, 14104), (2788, 11266), (2924, 10742), (3526, 8908), (4454, 7052), (5371, 5848), (5576, 5633)]