621245716

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 1390188800

約数和(自身を除く): 768943084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 343, 364, 427, 571, 637, 686, 793, 854, 1142, 1274, 1372, 1586, 1708, 2284, 2548, 2989, 3172, 3997, 4459, 5551, 5978, 7423, 7994, 8918, 11102, 11956, 14846, 15988, 17836, 20923, 22204, 27979, 29692, 34831, 38857, 41846, 51961, 55958, 69662, 77714, 83692, 103922, 111916, 139324, 155428, 195853, 207844, 243817, 271999, 363727, 391706, 452803, 487634, 543998, 727454, 783412, 905606, 975268, 1087996, 1454908, 1706719, 1811212, 2546089, 3169621, 3413438, 5092178, 6339242, 6826876, 10184356, 11947033, 12678484, 22187347, 23894066, 44374694, 47788132, 88749388, 155311429, 310622858, 621245716]

約数ペア:

[(1, 621245716), (2, 310622858), (4, 155311429), (7, 88749388), (13, 47788132), (14, 44374694), (26, 23894066), (28, 22187347), (49, 12678484), (52, 11947033), (61, 10184356), (91, 6826876), (98, 6339242), (122, 5092178), (182, 3413438), (196, 3169621), (244, 2546089), (343, 1811212), (364, 1706719), (427, 1454908), (571, 1087996), (637, 975268), (686, 905606), (793, 783412), (854, 727454), (1142, 543998), (1274, 487634), (1372, 452803), (1586, 391706), (1708, 363727), (2284, 271999), (2548, 243817), (2989, 207844), (3172, 195853), (3997, 155428), (4459, 139324), (5551, 111916), (5978, 103922), (7423, 83692), (7994, 77714), (8918, 69662), (11102, 55958), (11956, 51961), (14846, 41846), (15988, 38857), (17836, 34831), (20923, 29692), (22204, 27979)]