31212136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 35661464

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 188, 257, 323, 376, 514, 646, 799, 893, 1028, 1292, 1598, 1786, 2056, 2584, 3196, 3572, 4369, 4883, 6392, 7144, 8738, 9766, 12079, 15181, 17476, 19532, 24158, 30362, 34952, 39064, 48316, 60724, 83011, 96632, 121448, 166022, 205343, 229501, 332044, 410686, 459002, 664088, 821372, 918004, 1642744, 1836008, 3901517, 7803034, 15606068, 31212136]

約数ペア:

[(1, 31212136), (2, 15606068), (4, 7803034), (8, 3901517), (17, 1836008), (19, 1642744), (34, 918004), (38, 821372), (47, 664088), (68, 459002), (76, 410686), (94, 332044), (136, 229501), (152, 205343), (188, 166022), (257, 121448), (323, 96632), (376, 83011), (514, 60724), (646, 48316), (799, 39064), (893, 34952), (1028, 30362), (1292, 24158), (1598, 19532), (1786, 17476), (2056, 15181), (2584, 12079), (3196, 9766), (3572, 8738), (4369, 7144), (4883, 6392)]