221565992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{63377}}^1$

素因数の和:63425

約数の個数: 32

約数和(自身を含む): 456321600

約数和(自身を除く): 234755608

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 63377, 126754, 253508, 507016, 1204163, 1457671, 2408326, 2915342, 4816652, 5830684, 9633304, 11661368, 27695749, 55391498, 110782996, 221565992]

約数ペア:

[(1, 221565992), (2, 110782996), (4, 55391498), (8, 27695749), (19, 11661368), (23, 9633304), (38, 5830684), (46, 4816652), (76, 2915342), (92, 2408326), (152, 1457671), (184, 1204163), (437, 507016), (874, 253508), (1748, 126754), (3496, 63377)]