213789464

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 265212136

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 47, 56, 86, 94, 172, 188, 301, 329, 344, 376, 602, 658, 1204, 1316, 1889, 2021, 2408, 2632, 3778, 4042, 7556, 8084, 13223, 14147, 15112, 16168, 26446, 28294, 52892, 56588, 81227, 88783, 105784, 113176, 162454, 177566, 324908, 355132, 568589, 621481, 649816, 710264, 1137178, 1242962, 2274356, 2485924, 3817669, 4548712, 4971848, 7635338, 15270676, 26723683, 30541352, 53447366, 106894732, 213789464]

約数ペア:

[(1, 213789464), (2, 106894732), (4, 53447366), (7, 30541352), (8, 26723683), (14, 15270676), (28, 7635338), (43, 4971848), (47, 4548712), (56, 3817669), (86, 2485924), (94, 2274356), (172, 1242962), (188, 1137178), (301, 710264), (329, 649816), (344, 621481), (376, 568589), (602, 355132), (658, 324908), (1204, 177566), (1316, 162454), (1889, 113176), (2021, 105784), (2408, 88783), (2632, 81227), (3778, 56588), (4042, 52892), (7556, 28294), (8084, 26446), (13223, 16168), (14147, 15112)]