221078928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{657973}}^1$

素因数の和:657991

約数の個数: 40

約数和(自身を含む): 652710208

約数和(自身を除く): 431631280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 657973, 1315946, 1973919, 2631892, 3947838, 4605811, 5263784, 7895676, 9211622, 10527568, 13817433, 15791352, 18423244, 27634866, 31582704, 36846488, 55269732, 73692976, 110539464, 221078928]

約数ペア:

[(1, 221078928), (2, 110539464), (3, 73692976), (4, 55269732), (6, 36846488), (7, 31582704), (8, 27634866), (12, 18423244), (14, 15791352), (16, 13817433), (21, 10527568), (24, 9211622), (28, 7895676), (42, 5263784), (48, 4605811), (56, 3947838), (84, 2631892), (112, 1973919), (168, 1315946), (336, 657973)]