1922061505

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 2956812984

約数和(自身を除く): 1034751479

約数列:

[1, 5, 7, 13, 35, 49, 61, 65, 91, 169, 245, 305, 427, 455, 637, 761, 793, 845, 1183, 2135, 2989, 3185, 3805, 3965, 5327, 5551, 5915, 8281, 9893, 10309, 14945, 26635, 27755, 37289, 38857, 41405, 46421, 49465, 51545, 69251, 72163, 128609, 186445, 194285, 232105, 324947, 346255, 360815, 484757, 505141, 603473, 643045, 900263, 1624735, 2274629, 2423785, 2525705, 3017365, 4224311, 4501315, 6301841, 7845149, 11373145, 21121555, 29570177, 31509205, 39225745, 54916043, 147850885, 274580215, 384412301, 1922061505]

約数ペア:

[(1, 1922061505), (5, 384412301), (7, 274580215), (13, 147850885), (35, 54916043), (49, 39225745), (61, 31509205), (65, 29570177), (91, 21121555), (169, 11373145), (245, 7845149), (305, 6301841), (427, 4501315), (455, 4224311), (637, 3017365), (761, 2525705), (793, 2423785), (845, 2274629), (1183, 1624735), (2135, 900263), (2989, 643045), (3185, 603473), (3805, 505141), (3965, 484757), (5327, 360815), (5551, 346255), (5915, 324947), (8281, 232105), (9893, 194285), (10309, 186445), (14945, 128609), (26635, 72163), (27755, 69251), (37289, 51545), (38857, 49465), (41405, 46421)]