1991891736

素因数分解:

$2^3\times 3^4\times {\mathrm{151}}^1\times {\mathrm{20357}}^1$

素因数の和:20526

約数の個数: 80

約数和(自身を含む): 5616365040

約数和(自身を除く): 3624473304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 151, 162, 216, 302, 324, 453, 604, 648, 906, 1208, 1359, 1812, 2718, 3624, 4077, 5436, 8154, 10872, 12231, 16308, 20357, 24462, 32616, 40714, 48924, 61071, 81428, 97848, 122142, 162856, 183213, 244284, 366426, 488568, 549639, 732852, 1099278, 1465704, 1648917, 2198556, 3073907, 3297834, 4397112, 6147814, 6595668, 9221721, 12295628, 13191336, 18443442, 24591256, 27665163, 36886884, 55330326, 73773768, 82995489, 110660652, 165990978, 221321304, 248986467, 331981956, 497972934, 663963912, 995945868, 1991891736]

約数ペア:

[(1, 1991891736), (2, 995945868), (3, 663963912), (4, 497972934), (6, 331981956), (8, 248986467), (9, 221321304), (12, 165990978), (18, 110660652), (24, 82995489), (27, 73773768), (36, 55330326), (54, 36886884), (72, 27665163), (81, 24591256), (108, 18443442), (151, 13191336), (162, 12295628), (216, 9221721), (302, 6595668), (324, 6147814), (453, 4397112), (604, 3297834), (648, 3073907), (906, 2198556), (1208, 1648917), (1359, 1465704), (1812, 1099278), (2718, 732852), (3624, 549639), (4077, 488568), (5436, 366426), (8154, 244284), (10872, 183213), (12231, 162856), (16308, 122142), (20357, 97848), (24462, 81428), (32616, 61071), (40714, 48924)]