2013503555

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 2931240960

約数和(自身を除く): 917737405

約数列:

[1, 5, 7, 35, 37, 61, 71, 185, 259, 305, 355, 359, 427, 497, 1295, 1795, 2135, 2257, 2485, 2513, 2627, 4331, 11285, 12565, 13135, 13283, 15799, 18389, 21655, 21899, 25489, 30317, 66415, 78995, 91945, 92981, 109495, 127445, 151585, 153293, 160247, 178423, 464905, 766465, 801235, 810263, 892115, 943093, 1121729, 1554829, 4051315, 4715465, 5608645, 5671841, 6601651, 7774145, 10883803, 28359205, 33008255, 54419015, 57528673, 287643365, 402700711, 2013503555]

約数ペア:

[(1, 2013503555), (5, 402700711), (7, 287643365), (35, 57528673), (37, 54419015), (61, 33008255), (71, 28359205), (185, 10883803), (259, 7774145), (305, 6601651), (355, 5671841), (359, 5608645), (427, 4715465), (497, 4051315), (1295, 1554829), (1795, 1121729), (2135, 943093), (2257, 892115), (2485, 810263), (2513, 801235), (2627, 766465), (4331, 464905), (11285, 178423), (12565, 160247), (13135, 153293), (13283, 151585), (15799, 127445), (18389, 109495), (21655, 92981), (21899, 91945), (25489, 78995), (30317, 66415)]