266469710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 536614848

約数和(自身を除く): 270145138

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 73, 86, 130, 146, 215, 365, 430, 559, 653, 730, 949, 1118, 1306, 1898, 2795, 3139, 3265, 4745, 5590, 6278, 6530, 8489, 9490, 15695, 16978, 28079, 31390, 40807, 42445, 47669, 56158, 81614, 84890, 95338, 140395, 204035, 238345, 280790, 365027, 408070, 476690, 619697, 730054, 1239394, 1825135, 2049767, 3098485, 3650270, 4099534, 6196970, 10248835, 20497670, 26646971, 53293942, 133234855, 266469710]

約数ペア:

[(1, 266469710), (2, 133234855), (5, 53293942), (10, 26646971), (13, 20497670), (26, 10248835), (43, 6196970), (65, 4099534), (73, 3650270), (86, 3098485), (130, 2049767), (146, 1825135), (215, 1239394), (365, 730054), (430, 619697), (559, 476690), (653, 408070), (730, 365027), (949, 280790), (1118, 238345), (1306, 204035), (1898, 140395), (2795, 95338), (3139, 84890), (3265, 81614), (4745, 56158), (5590, 47669), (6278, 42445), (6530, 40807), (8489, 31390), (9490, 28079), (15695, 16978)]