197394730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 393579648

約数和(自身を除く): 196184918

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 131, 134, 173, 262, 335, 346, 655, 670, 865, 871, 1310, 1703, 1730, 1742, 2249, 3406, 4355, 4498, 8515, 8710, 8777, 11245, 11591, 17030, 17554, 22490, 22663, 23182, 43885, 45326, 57955, 87770, 113315, 114101, 115910, 150683, 226630, 228202, 294619, 301366, 570505, 589238, 753415, 1141010, 1473095, 1506830, 1518421, 2946190, 3036842, 7592105, 15184210, 19739473, 39478946, 98697365, 197394730]

約数ペア:

[(1, 197394730), (2, 98697365), (5, 39478946), (10, 19739473), (13, 15184210), (26, 7592105), (65, 3036842), (67, 2946190), (130, 1518421), (131, 1506830), (134, 1473095), (173, 1141010), (262, 753415), (335, 589238), (346, 570505), (655, 301366), (670, 294619), (865, 228202), (871, 226630), (1310, 150683), (1703, 115910), (1730, 114101), (1742, 113315), (2249, 87770), (3406, 57955), (4355, 45326), (4498, 43885), (8515, 23182), (8710, 22663), (8777, 22490), (11245, 17554), (11591, 17030)]