2178775430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{274751}}^1$

素因数の和:274832

約数の個数: 32

約数和(自身を含む): 4292725248

約数和(自身を除く): 2113949818

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 274751, 549502, 1373755, 2747510, 3571763, 7143526, 16759811, 17858815, 33519622, 35717630, 83799055, 167598110, 217877543, 435755086, 1089387715, 2178775430]

約数ペア:

[(1, 2178775430), (2, 1089387715), (5, 435755086), (10, 217877543), (13, 167598110), (26, 83799055), (61, 35717630), (65, 33519622), (122, 17858815), (130, 16759811), (305, 7143526), (610, 3571763), (793, 2747510), (1586, 1373755), (3965, 549502), (7930, 274751)]