31191008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 68042520

約数和(自身を除く): 36851512

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 61, 76, 116, 122, 152, 232, 244, 304, 464, 488, 551, 608, 841, 928, 976, 1102, 1159, 1682, 1769, 1952, 2204, 2318, 3364, 3538, 4408, 4636, 6728, 7076, 8816, 9272, 13456, 14152, 15979, 17632, 18544, 26912, 28304, 31958, 33611, 37088, 51301, 56608, 63916, 67222, 102602, 127832, 134444, 205204, 255664, 268888, 410408, 511328, 537776, 820816, 974719, 1075552, 1641632, 1949438, 3898876, 7797752, 15595504, 31191008]

約数ペア:

[(1, 31191008), (2, 15595504), (4, 7797752), (8, 3898876), (16, 1949438), (19, 1641632), (29, 1075552), (32, 974719), (38, 820816), (58, 537776), (61, 511328), (76, 410408), (116, 268888), (122, 255664), (152, 205204), (232, 134444), (244, 127832), (304, 102602), (464, 67222), (488, 63916), (551, 56608), (608, 51301), (841, 37088), (928, 33611), (976, 31958), (1102, 28304), (1159, 26912), (1682, 18544), (1769, 17632), (1952, 15979), (2204, 14152), (2318, 13456), (3364, 9272), (3538, 8816), (4408, 7076), (4636, 6728)]