781295928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3853}}^1$

素因数の和:3957

約数の個数: 128

約数和(自身を含む): 2397496320

約数和(自身を除く): 1616200392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 71, 84, 102, 119, 136, 142, 168, 204, 213, 238, 284, 357, 408, 426, 476, 497, 568, 714, 852, 952, 994, 1207, 1428, 1491, 1704, 1988, 2414, 2856, 2982, 3621, 3853, 3976, 4828, 5964, 7242, 7706, 8449, 9656, 11559, 11928, 14484, 15412, 16898, 23118, 25347, 26971, 28968, 30824, 33796, 46236, 50694, 53942, 65501, 67592, 80913, 92472, 101388, 107884, 131002, 161826, 196503, 202776, 215768, 262004, 273563, 323652, 393006, 458507, 524008, 547126, 647304, 786012, 820689, 917014, 1094252, 1375521, 1572024, 1641378, 1834028, 1914941, 2188504, 2751042, 3282756, 3668056, 3829882, 4650571, 5502084, 5744823, 6565512, 7659764, 9301142, 11004168, 11489646, 13951713, 15319528, 18602284, 22979292, 27903426, 32553997, 37204568, 45958584, 55806852, 65107994, 97661991, 111613704, 130215988, 195323982, 260431976, 390647964, 781295928]

約数ペア:

[(1, 781295928), (2, 390647964), (3, 260431976), (4, 195323982), (6, 130215988), (7, 111613704), (8, 97661991), (12, 65107994), (14, 55806852), (17, 45958584), (21, 37204568), (24, 32553997), (28, 27903426), (34, 22979292), (42, 18602284), (51, 15319528), (56, 13951713), (68, 11489646), (71, 11004168), (84, 9301142), (102, 7659764), (119, 6565512), (136, 5744823), (142, 5502084), (168, 4650571), (204, 3829882), (213, 3668056), (238, 3282756), (284, 2751042), (357, 2188504), (408, 1914941), (426, 1834028), (476, 1641378), (497, 1572024), (568, 1375521), (714, 1094252), (852, 917014), (952, 820689), (994, 786012), (1207, 647304), (1428, 547126), (1491, 524008), (1704, 458507), (1988, 393006), (2414, 323652), (2856, 273563), (2982, 262004), (3621, 215768), (3853, 202776), (3976, 196503), (4828, 161826), (5964, 131002), (7242, 107884), (7706, 101388), (8449, 92472), (9656, 80913), (11559, 67592), (11928, 65501), (14484, 53942), (15412, 50694), (16898, 46236), (23118, 33796), (25347, 30824), (26971, 28968)]