979666975

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 1421337600

約数和(自身を除く): 441670625

約数列:

[1, 5, 7, 25, 35, 59, 175, 239, 295, 397, 413, 1195, 1475, 1673, 1985, 2065, 2779, 5975, 8365, 9925, 10325, 13895, 14101, 23423, 41825, 69475, 70505, 94883, 98707, 117115, 163961, 352525, 474415, 493535, 585575, 664181, 819805, 2372075, 2467675, 3320905, 4099025, 5598097, 16604525, 27990485, 39186679, 139952425, 195933395, 979666975]

約数ペア:

[(1, 979666975), (5, 195933395), (7, 139952425), (25, 39186679), (35, 27990485), (59, 16604525), (175, 5598097), (239, 4099025), (295, 3320905), (397, 2467675), (413, 2372075), (1195, 819805), (1475, 664181), (1673, 585575), (1985, 493535), (2065, 474415), (2779, 352525), (5975, 163961), (8365, 117115), (9925, 98707), (10325, 94883), (13895, 70505), (14101, 69475), (23423, 41825)]