1978846905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 3686400000

約数和(自身を除く): 1707553095

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 191, 237, 395, 553, 573, 955, 1185, 1249, 1337, 1659, 2765, 2865, 3747, 4011, 6245, 6685, 8295, 8743, 15089, 18735, 20055, 26229, 43715, 45267, 75445, 98671, 105623, 131145, 226335, 238559, 296013, 316869, 493355, 528115, 690697, 715677, 1192795, 1480065, 1584345, 1669913, 2072091, 3453485, 3578385, 5009739, 8349565, 10360455, 18846161, 25048695, 56538483, 94230805, 131923127, 282692415, 395769381, 659615635, 1978846905]

約数ペア:

[(1, 1978846905), (3, 659615635), (5, 395769381), (7, 282692415), (15, 131923127), (21, 94230805), (35, 56538483), (79, 25048695), (105, 18846161), (191, 10360455), (237, 8349565), (395, 5009739), (553, 3578385), (573, 3453485), (955, 2072091), (1185, 1669913), (1249, 1584345), (1337, 1480065), (1659, 1192795), (2765, 715677), (2865, 690697), (3747, 528115), (4011, 493355), (6245, 316869), (6685, 296013), (8295, 238559), (8743, 226335), (15089, 131145), (18735, 105623), (20055, 98671), (26229, 75445), (43715, 45267)]