217515844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 482475840

約数和(自身を除く): 264959996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 169, 172, 182, 301, 338, 364, 559, 602, 676, 1069, 1118, 1183, 1204, 2138, 2236, 2366, 3913, 4276, 4732, 7267, 7483, 7826, 13897, 14534, 14966, 15652, 27794, 29068, 29932, 45967, 50869, 55588, 91934, 97279, 101738, 180661, 183868, 194558, 203476, 321769, 361322, 389116, 597571, 643538, 722644, 1195142, 1264627, 1287076, 2390284, 2529254, 4182997, 5058508, 7768423, 8365994, 15536846, 16731988, 31073692, 54378961, 108757922, 217515844]

約数ペア:

[(1, 217515844), (2, 108757922), (4, 54378961), (7, 31073692), (13, 16731988), (14, 15536846), (26, 8365994), (28, 7768423), (43, 5058508), (52, 4182997), (86, 2529254), (91, 2390284), (169, 1287076), (172, 1264627), (182, 1195142), (301, 722644), (338, 643538), (364, 597571), (559, 389116), (602, 361322), (676, 321769), (1069, 203476), (1118, 194558), (1183, 183868), (1204, 180661), (2138, 101738), (2236, 97279), (2366, 91934), (3913, 55588), (4276, 50869), (4732, 45967), (7267, 29932), (7483, 29068), (7826, 27794), (13897, 15652), (14534, 14966)]