1640709552

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{644933}}^1$

素因数の和:644997

約数の個数: 40

約数和(自身を含む): 4318478064

約数和(自身を除く): 2677768512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 644933, 1289866, 1934799, 2579732, 3869598, 5159464, 7739196, 10318928, 15478392, 30956784, 34181449, 68362898, 102544347, 136725796, 205088694, 273451592, 410177388, 546903184, 820354776, 1640709552]

約数ペア:

[(1, 1640709552), (2, 820354776), (3, 546903184), (4, 410177388), (6, 273451592), (8, 205088694), (12, 136725796), (16, 102544347), (24, 68362898), (48, 34181449), (53, 30956784), (106, 15478392), (159, 10318928), (212, 7739196), (318, 5159464), (424, 3869598), (636, 2579732), (848, 1934799), (1272, 1289866), (2544, 644933)]