12395890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 13731470

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 79, 85, 130, 142, 158, 170, 221, 355, 395, 442, 710, 790, 923, 1027, 1105, 1207, 1343, 1846, 2054, 2210, 2414, 2686, 4615, 5135, 5609, 6035, 6715, 9230, 10270, 11218, 12070, 13430, 15691, 17459, 28045, 31382, 34918, 56090, 72917, 78455, 87295, 95353, 145834, 156910, 174590, 190706, 364585, 476765, 729170, 953530, 1239589, 2479178, 6197945, 12395890]

約数ペア:

[(1, 12395890), (2, 6197945), (5, 2479178), (10, 1239589), (13, 953530), (17, 729170), (26, 476765), (34, 364585), (65, 190706), (71, 174590), (79, 156910), (85, 145834), (130, 95353), (142, 87295), (158, 78455), (170, 72917), (221, 56090), (355, 34918), (395, 31382), (442, 28045), (710, 17459), (790, 15691), (923, 13430), (1027, 12070), (1105, 11218), (1207, 10270), (1343, 9230), (1846, 6715), (2054, 6035), (2210, 5609), (2414, 5135), (2686, 4615)]