163975245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 145682355

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 149, 223, 235, 329, 447, 669, 705, 745, 987, 1043, 1115, 1561, 1645, 2235, 3129, 3345, 4683, 4935, 5215, 7003, 7805, 10481, 15645, 21009, 23415, 31443, 33227, 35015, 49021, 52405, 73367, 99681, 105045, 147063, 157215, 166135, 220101, 232589, 245105, 366835, 498405, 697767, 735315, 1100505, 1162945, 1561669, 3488835, 4685007, 7808345, 10931683, 23425035, 32795049, 54658415, 163975245]

約数ペア:

[(1, 163975245), (3, 54658415), (5, 32795049), (7, 23425035), (15, 10931683), (21, 7808345), (35, 4685007), (47, 3488835), (105, 1561669), (141, 1162945), (149, 1100505), (223, 735315), (235, 697767), (329, 498405), (447, 366835), (669, 245105), (705, 232589), (745, 220101), (987, 166135), (1043, 157215), (1115, 147063), (1561, 105045), (1645, 99681), (2235, 73367), (3129, 52405), (3345, 49021), (4683, 35015), (4935, 33227), (5215, 31443), (7003, 23415), (7805, 21009), (10481, 15645)]