156921646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 289133280

約数和(自身を除く): 132211634

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 361, 427, 509, 722, 854, 1018, 1159, 2318, 2527, 3563, 5054, 7126, 8113, 9671, 16226, 19342, 22021, 31049, 44042, 62098, 67697, 135394, 154147, 183749, 217343, 308294, 367498, 434686, 589931, 1179862, 1286243, 2572486, 4129517, 8259034, 11208689, 22417378, 78460823, 156921646]

約数ペア:

[(1, 156921646), (2, 78460823), (7, 22417378), (14, 11208689), (19, 8259034), (38, 4129517), (61, 2572486), (122, 1286243), (133, 1179862), (266, 589931), (361, 434686), (427, 367498), (509, 308294), (722, 217343), (854, 183749), (1018, 154147), (1159, 135394), (2318, 67697), (2527, 62098), (3563, 44042), (5054, 31049), (7126, 22021), (8113, 19342), (9671, 16226)]