1991726975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1181}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2954810880

約数和(自身を除く): 963083905

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 419, 575, 805, 1181, 2095, 2933, 4025, 5905, 8267, 9637, 10475, 14665, 27163, 29525, 41335, 48185, 67459, 73325, 135815, 190141, 206675, 240925, 337295, 494839, 679075, 950705, 1686475, 2474195, 3463873, 4753525, 11381297, 12370975, 17319365, 56906485, 79669079, 86596825, 284532425, 398345395, 1991726975]

約数ペア:

[(1, 1991726975), (5, 398345395), (7, 284532425), (23, 86596825), (25, 79669079), (35, 56906485), (115, 17319365), (161, 12370975), (175, 11381297), (419, 4753525), (575, 3463873), (805, 2474195), (1181, 1686475), (2095, 950705), (2933, 679075), (4025, 494839), (5905, 337295), (8267, 240925), (9637, 206675), (10475, 190141), (14665, 135815), (27163, 73325), (29525, 67459), (41335, 48185)]