647572107

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 1117863936

約数和(自身を除く): 470291829

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 151, 161, 273, 299, 453, 483, 683, 897, 1057, 1963, 2049, 2093, 3171, 3473, 4781, 5889, 6279, 8879, 10419, 13741, 14343, 15709, 24311, 26637, 41223, 45149, 47127, 62153, 72933, 103133, 109963, 135447, 186459, 204217, 309399, 316043, 329889, 612651, 721931, 948129, 1340729, 1429519, 2165793, 2372059, 4022187, 4288557, 7116177, 9385103, 16604413, 28155309, 30836767, 49813239, 92510301, 215857369, 647572107]

約数ペア:

[(1, 647572107), (3, 215857369), (7, 92510301), (13, 49813239), (21, 30836767), (23, 28155309), (39, 16604413), (69, 9385103), (91, 7116177), (151, 4288557), (161, 4022187), (273, 2372059), (299, 2165793), (453, 1429519), (483, 1340729), (683, 948129), (897, 721931), (1057, 612651), (1963, 329889), (2049, 316043), (2093, 309399), (3171, 204217), (3473, 186459), (4781, 135447), (5889, 109963), (6279, 103133), (8879, 72933), (10419, 62153), (13741, 47127), (14343, 45149), (15709, 41223), (24311, 26637)]