90358995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 160811136

約数和(自身を除く): 70452141

約数列:

[1, 3, 5, 15, 17, 37, 51, 61, 85, 111, 157, 183, 185, 255, 305, 471, 555, 629, 785, 915, 1037, 1887, 2257, 2355, 2669, 3111, 3145, 5185, 5809, 6771, 8007, 9435, 9577, 11285, 13345, 15555, 17427, 28731, 29045, 33855, 38369, 40035, 47885, 87135, 98753, 115107, 143655, 162809, 191845, 296259, 354349, 488427, 493765, 575535, 814045, 1063047, 1481295, 1771745, 2442135, 5315235, 6023933, 18071799, 30119665, 90358995]

約数ペア:

[(1, 90358995), (3, 30119665), (5, 18071799), (15, 6023933), (17, 5315235), (37, 2442135), (51, 1771745), (61, 1481295), (85, 1063047), (111, 814045), (157, 575535), (183, 493765), (185, 488427), (255, 354349), (305, 296259), (471, 191845), (555, 162809), (629, 143655), (785, 115107), (915, 98753), (1037, 87135), (1887, 47885), (2257, 40035), (2355, 38369), (2669, 33855), (3111, 29045), (3145, 28731), (5185, 17427), (5809, 15555), (6771, 13345), (8007, 11285), (9435, 9577)]