7216825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 11713536

約数和(自身を除く): 4496711

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 163, 175, 253, 275, 385, 575, 805, 815, 1141, 1265, 1771, 1793, 1925, 3749, 4025, 4075, 5705, 6325, 8855, 8965, 12551, 18745, 26243, 28525, 41239, 44275, 44825, 62755, 93725, 131215, 206195, 288673, 313775, 656075, 1030975, 1443365, 7216825]

約数ペア:

[(1, 7216825), (5, 1443365), (7, 1030975), (11, 656075), (23, 313775), (25, 288673), (35, 206195), (55, 131215), (77, 93725), (115, 62755), (161, 44825), (163, 44275), (175, 41239), (253, 28525), (275, 26243), (385, 18745), (575, 12551), (805, 8965), (815, 8855), (1141, 6325), (1265, 5705), (1771, 4075), (1793, 4025), (1925, 3749)]