2799290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 5530896

約数和(自身を除く): 2731606

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 353, 610, 706, 793, 1586, 1765, 3530, 3965, 4589, 7930, 9178, 21533, 22945, 43066, 45890, 107665, 215330, 279929, 559858, 1399645, 2799290]

約数ペア:

[(1, 2799290), (2, 1399645), (5, 559858), (10, 279929), (13, 215330), (26, 107665), (61, 45890), (65, 43066), (122, 22945), (130, 21533), (305, 9178), (353, 7930), (610, 4589), (706, 3965), (793, 3530), (1586, 1765)]