161856996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3969

約数の個数: 72

約数和(自身を含む): 445628736

約数和(自身を除く): 283771740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 852, 994, 1491, 1988, 2982, 3479, 3877, 5964, 6958, 7754, 10437, 11631, 13916, 15508, 20874, 23262, 27139, 41748, 46524, 54278, 81417, 108556, 162834, 189973, 275267, 325668, 379946, 550534, 569919, 759892, 825801, 1101068, 1139838, 1651602, 1926869, 2279676, 3303204, 3853738, 5780607, 7707476, 11561214, 13488083, 23122428, 26976166, 40464249, 53952332, 80928498, 161856996]

約数ペア:

[(1, 161856996), (2, 80928498), (3, 53952332), (4, 40464249), (6, 26976166), (7, 23122428), (12, 13488083), (14, 11561214), (21, 7707476), (28, 5780607), (42, 3853738), (49, 3303204), (71, 2279676), (84, 1926869), (98, 1651602), (142, 1139838), (147, 1101068), (196, 825801), (213, 759892), (284, 569919), (294, 550534), (426, 379946), (497, 325668), (588, 275267), (852, 189973), (994, 162834), (1491, 108556), (1988, 81417), (2982, 54278), (3479, 46524), (3877, 41748), (5964, 27139), (6958, 23262), (7754, 20874), (10437, 15508), (11631, 13916)]