221497692

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^5$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 591370416

約数和(自身を除く): 369872724

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 442, 578, 663, 867, 884, 1156, 1326, 1734, 2652, 3468, 3757, 4913, 7514, 9826, 11271, 14739, 15028, 19652, 22542, 29478, 45084, 58956, 63869, 83521, 127738, 167042, 191607, 250563, 255476, 334084, 383214, 501126, 766428, 1002252, 1085773, 1419857, 2171546, 2839714, 3257319, 4259571, 4343092, 5679428, 6514638, 8519142, 13029276, 17038284, 18458141, 36916282, 55374423, 73832564, 110748846, 221497692]

約数ペア:

[(1, 221497692), (2, 110748846), (3, 73832564), (4, 55374423), (6, 36916282), (12, 18458141), (13, 17038284), (17, 13029276), (26, 8519142), (34, 6514638), (39, 5679428), (51, 4343092), (52, 4259571), (68, 3257319), (78, 2839714), (102, 2171546), (156, 1419857), (204, 1085773), (221, 1002252), (289, 766428), (442, 501126), (578, 383214), (663, 334084), (867, 255476), (884, 250563), (1156, 191607), (1326, 167042), (1734, 127738), (2652, 83521), (3468, 63869), (3757, 58956), (4913, 45084), (7514, 29478), (9826, 22542), (11271, 19652), (14739, 15028)]