28321970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6481}}^1$

素因数の和:6530

約数の個数: 32

約数和(自身を含む): 56004480

約数和(自身を除く): 27682510

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 6481, 12962, 32405, 64810, 123139, 149063, 246278, 298126, 615695, 745315, 1231390, 1490630, 2832197, 5664394, 14160985, 28321970]

約数ペア:

[(1, 28321970), (2, 14160985), (5, 5664394), (10, 2832197), (19, 1490630), (23, 1231390), (38, 745315), (46, 615695), (95, 298126), (115, 246278), (190, 149063), (230, 123139), (437, 64810), (874, 32405), (2185, 12962), (4370, 6481)]