2158968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 6289920

約数和(自身を除く): 4130952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 181, 213, 284, 362, 426, 497, 543, 568, 724, 852, 994, 1086, 1267, 1448, 1491, 1704, 1988, 2172, 2534, 2982, 3801, 3976, 4344, 5068, 5964, 7602, 10136, 11928, 12851, 15204, 25702, 30408, 38553, 51404, 77106, 89957, 102808, 154212, 179914, 269871, 308424, 359828, 539742, 719656, 1079484, 2158968]

約数ペア:

[(1, 2158968), (2, 1079484), (3, 719656), (4, 539742), (6, 359828), (7, 308424), (8, 269871), (12, 179914), (14, 154212), (21, 102808), (24, 89957), (28, 77106), (42, 51404), (56, 38553), (71, 30408), (84, 25702), (142, 15204), (168, 12851), (181, 11928), (213, 10136), (284, 7602), (362, 5964), (426, 5068), (497, 4344), (543, 3976), (568, 3801), (724, 2982), (852, 2534), (994, 2172), (1086, 1988), (1267, 1704), (1448, 1491)]