1897193564

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 3922329600

約数和(自身を除く): 2025136036

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 199, 254, 383, 398, 508, 766, 796, 889, 1393, 1532, 1778, 2681, 2786, 3556, 5362, 5572, 6223, 9751, 10724, 12446, 18767, 19502, 24892, 25273, 37534, 39004, 48641, 50546, 75068, 76217, 97282, 101092, 152434, 176911, 194564, 304868, 340487, 353822, 533519, 680974, 707644, 1067038, 1238377, 1361948, 2134076, 2383409, 2476754, 3734633, 4766818, 4953508, 7469266, 9533636, 9679559, 14938532, 19359118, 38718236, 67756913, 135513826, 271027652, 474298391, 948596782, 1897193564]

約数ペア:

[(1, 1897193564), (2, 948596782), (4, 474298391), (7, 271027652), (14, 135513826), (28, 67756913), (49, 38718236), (98, 19359118), (127, 14938532), (196, 9679559), (199, 9533636), (254, 7469266), (383, 4953508), (398, 4766818), (508, 3734633), (766, 2476754), (796, 2383409), (889, 2134076), (1393, 1361948), (1532, 1238377), (1778, 1067038), (2681, 707644), (2786, 680974), (3556, 533519), (5362, 353822), (5572, 340487), (6223, 304868), (9751, 194564), (10724, 176911), (12446, 152434), (18767, 101092), (19502, 97282), (24892, 76217), (25273, 75068), (37534, 50546), (39004, 48641)]