28080811995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{5119}}^1$

素因数の和:5456

約数の個数: 64

約数和(自身を含む): 47563407360

約数和(自身を除く): 19482595365

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 251, 465, 705, 753, 1255, 1457, 3765, 4371, 5119, 7285, 7781, 11797, 15357, 21855, 23343, 25595, 35391, 38905, 58985, 76785, 116715, 158689, 176955, 240593, 365707, 476067, 721779, 793445, 1097121, 1202965, 1284869, 1828535, 2380335, 3608895, 3854607, 5485605, 6424345, 7458383, 19273035, 22375149, 37291915, 39830939, 60388843, 111875745, 119492817, 181166529, 199154695, 301944215, 597464085, 905832645, 1872054133, 5616162399, 9360270665, 28080811995]

約数ペア:

[(1, 28080811995), (3, 9360270665), (5, 5616162399), (15, 1872054133), (31, 905832645), (47, 597464085), (93, 301944215), (141, 199154695), (155, 181166529), (235, 119492817), (251, 111875745), (465, 60388843), (705, 39830939), (753, 37291915), (1255, 22375149), (1457, 19273035), (3765, 7458383), (4371, 6424345), (5119, 5485605), (7285, 3854607), (7781, 3608895), (11797, 2380335), (15357, 1828535), (21855, 1284869), (23343, 1202965), (25595, 1097121), (35391, 793445), (38905, 721779), (58985, 476067), (76785, 365707), (116715, 240593), (158689, 176955)]