221016775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 334692864

約数和(自身を除く): 113676089

約数列:

[1, 5, 7, 23, 25, 35, 43, 115, 161, 175, 215, 301, 575, 805, 989, 1075, 1277, 1505, 4025, 4945, 6385, 6923, 7525, 8939, 24725, 29371, 31925, 34615, 44695, 54911, 146855, 173075, 205597, 223475, 274555, 384377, 734275, 1027985, 1262953, 1372775, 1921885, 5139925, 6314765, 8840671, 9609425, 31573825, 44203355, 221016775]

約数ペア:

[(1, 221016775), (5, 44203355), (7, 31573825), (23, 9609425), (25, 8840671), (35, 6314765), (43, 5139925), (115, 1921885), (161, 1372775), (175, 1262953), (215, 1027985), (301, 734275), (575, 384377), (805, 274555), (989, 223475), (1075, 205597), (1277, 173075), (1505, 146855), (4025, 54911), (4945, 44695), (6385, 34615), (6923, 31925), (7525, 29371), (8939, 24725)]