1330985890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{48523}}^1$

素因数の和:48754

約数の個数: 32

約数和(自身を含む): 2592346176

約数和(自身を除く): 1261360286

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 5486, 13715, 27430, 48523, 97046, 242615, 485230, 630799, 1261598, 3153995, 6307990, 10238353, 20476706, 51191765, 102383530, 133098589, 266197178, 665492945, 1330985890]

約数ペア:

[(1, 1330985890), (2, 665492945), (5, 266197178), (10, 133098589), (13, 102383530), (26, 51191765), (65, 20476706), (130, 10238353), (211, 6307990), (422, 3153995), (1055, 1261598), (2110, 630799), (2743, 485230), (5486, 242615), (13715, 97046), (27430, 48523)]