221489658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 536215680

約数和(自身を除く): 314726022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 61, 78, 117, 118, 122, 177, 183, 234, 263, 354, 366, 526, 531, 549, 767, 789, 793, 1062, 1098, 1534, 1578, 1586, 2301, 2367, 2379, 3419, 3599, 4602, 4734, 4758, 6838, 6903, 7137, 7198, 10257, 10797, 13806, 14274, 15517, 16043, 20514, 21594, 30771, 31034, 32086, 32391, 46551, 46787, 48129, 61542, 64782, 93102, 93574, 96258, 139653, 140361, 144387, 201721, 208559, 279306, 280722, 288774, 403442, 417118, 421083, 605163, 625677, 842166, 946537, 1210326, 1251354, 1815489, 1877031, 1893074, 2839611, 3630978, 3754062, 5679222, 8518833, 12304981, 17037666, 24609962, 36914943, 73829886, 110744829, 221489658]

約数ペア:

[(1, 221489658), (2, 110744829), (3, 73829886), (6, 36914943), (9, 24609962), (13, 17037666), (18, 12304981), (26, 8518833), (39, 5679222), (59, 3754062), (61, 3630978), (78, 2839611), (117, 1893074), (118, 1877031), (122, 1815489), (177, 1251354), (183, 1210326), (234, 946537), (263, 842166), (354, 625677), (366, 605163), (526, 421083), (531, 417118), (549, 403442), (767, 288774), (789, 280722), (793, 279306), (1062, 208559), (1098, 201721), (1534, 144387), (1578, 140361), (1586, 139653), (2301, 96258), (2367, 93574), (2379, 93102), (3419, 64782), (3599, 61542), (4602, 48129), (4734, 46787), (4758, 46551), (6838, 32391), (6903, 32086), (7137, 31034), (7198, 30771), (10257, 21594), (10797, 20514), (13806, 16043), (14274, 15517)]