28156765988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1\times {\mathrm{9817}}^1$

素因数の和:12756

約数の個数: 48

約数和(自身を含む): 55882485120

約数和(自身を除く): 27725719132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 2903, 5806, 9817, 11612, 19634, 37739, 39268, 55157, 75478, 110314, 127621, 150956, 186523, 220628, 255242, 373046, 510484, 717041, 746092, 1434082, 2424799, 2868164, 4849598, 9699196, 28498751, 56997502, 113995004, 370483763, 541476269, 740967526, 1082952538, 1481935052, 2165905076, 7039191497, 14078382994, 28156765988]

約数ペア:

[(1, 28156765988), (2, 14078382994), (4, 7039191497), (13, 2165905076), (19, 1481935052), (26, 1082952538), (38, 740967526), (52, 541476269), (76, 370483763), (247, 113995004), (494, 56997502), (988, 28498751), (2903, 9699196), (5806, 4849598), (9817, 2868164), (11612, 2424799), (19634, 1434082), (37739, 746092), (39268, 717041), (55157, 510484), (75478, 373046), (110314, 255242), (127621, 220628), (150956, 186523)]