31640776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 65894400

約数和(自身を除く): 34253624

約数列:

[1, 2, 4, 8, 19, 38, 43, 47, 76, 86, 94, 103, 152, 172, 188, 206, 344, 376, 412, 817, 824, 893, 1634, 1786, 1957, 2021, 3268, 3572, 3914, 4042, 4429, 4841, 6536, 7144, 7828, 8084, 8858, 9682, 15656, 16168, 17716, 19364, 35432, 38399, 38728, 76798, 84151, 91979, 153596, 168302, 183958, 208163, 307192, 336604, 367916, 416326, 673208, 735832, 832652, 1665304, 3955097, 7910194, 15820388, 31640776]

約数ペア:

[(1, 31640776), (2, 15820388), (4, 7910194), (8, 3955097), (19, 1665304), (38, 832652), (43, 735832), (47, 673208), (76, 416326), (86, 367916), (94, 336604), (103, 307192), (152, 208163), (172, 183958), (188, 168302), (206, 153596), (344, 91979), (376, 84151), (412, 76798), (817, 38728), (824, 38399), (893, 35432), (1634, 19364), (1786, 17716), (1957, 16168), (2021, 15656), (3268, 9682), (3572, 8858), (3914, 8084), (4042, 7828), (4429, 7144), (4841, 6536)]