221342975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 339406848

約数和(自身を除く): 118063873

約数列:

[1, 5, 7, 17, 25, 35, 47, 85, 119, 175, 235, 329, 425, 595, 799, 1175, 1583, 1645, 2975, 3995, 5593, 7915, 8225, 11081, 19975, 26911, 27965, 39575, 55405, 74401, 134555, 139825, 188377, 277025, 372005, 520807, 672775, 941885, 1264817, 1860025, 2604035, 4709425, 6324085, 8853719, 13020175, 31620425, 44268595, 221342975]

約数ペア:

[(1, 221342975), (5, 44268595), (7, 31620425), (17, 13020175), (25, 8853719), (35, 6324085), (47, 4709425), (85, 2604035), (119, 1860025), (175, 1264817), (235, 941885), (329, 672775), (425, 520807), (595, 372005), (799, 277025), (1175, 188377), (1583, 139825), (1645, 134555), (2975, 74401), (3995, 55405), (5593, 39575), (7915, 27965), (8225, 26911), (11081, 19975)]