156988910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{2309}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 305030880

約数和(自身を除く): 148041970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 523, 1046, 2309, 2615, 4618, 5230, 6799, 11545, 13598, 23090, 30017, 33995, 60034, 67990, 150085, 300170, 1207607, 2415214, 6038035, 12076070, 15698891, 31397782, 78494455, 156988910]

約数ペア:

[(1, 156988910), (2, 78494455), (5, 31397782), (10, 15698891), (13, 12076070), (26, 6038035), (65, 2415214), (130, 1207607), (523, 300170), (1046, 150085), (2309, 67990), (2615, 60034), (4618, 33995), (5230, 30017), (6799, 23090), (11545, 13598)]