618368140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{12323}}^1$

素因数の和:12538

約数の個数: 48

約数和(自身を含む): 1405823328

約数和(自身を除く): 787455188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1930, 2509, 3860, 5018, 10036, 12323, 12545, 24646, 25090, 49292, 50180, 61615, 123230, 160199, 246460, 320398, 640796, 800995, 1601990, 2378339, 3203980, 4756678, 9513356, 11891695, 23783390, 30918407, 47566780, 61836814, 123673628, 154592035, 309184070, 618368140]

約数ペア:

[(1, 618368140), (2, 309184070), (4, 154592035), (5, 123673628), (10, 61836814), (13, 47566780), (20, 30918407), (26, 23783390), (52, 11891695), (65, 9513356), (130, 4756678), (193, 3203980), (260, 2378339), (386, 1601990), (772, 800995), (965, 640796), (1930, 320398), (2509, 246460), (3860, 160199), (5018, 123230), (10036, 61615), (12323, 50180), (12545, 49292), (24646, 25090)]