996942440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1917197}}^1$

素因数の和:1917221

約数の個数: 32

約数和(自身を含む): 2415669480

約数和(自身を除く): 1418727040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1917197, 3834394, 7668788, 9585985, 15337576, 19171970, 24923561, 38343940, 49847122, 76687880, 99694244, 124617805, 199388488, 249235610, 498471220, 996942440]

約数ペア:

[(1, 996942440), (2, 498471220), (4, 249235610), (5, 199388488), (8, 124617805), (10, 99694244), (13, 76687880), (20, 49847122), (26, 38343940), (40, 24923561), (52, 19171970), (65, 15337576), (104, 9585985), (130, 7668788), (260, 3834394), (520, 1917197)]