217615816705

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2\times {\mathrm{617}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 317984790528

約数和(自身を除く): 100368973823

約数列:

[1, 5, 7, 31, 35, 61, 73, 155, 217, 305, 365, 427, 511, 617, 1085, 1891, 2135, 2263, 2555, 3085, 4319, 4453, 5329, 9455, 11315, 13237, 15841, 19127, 21595, 22265, 26645, 31171, 37303, 37637, 45041, 66185, 79205, 95635, 133889, 138043, 155855, 165199, 186515, 188185, 225205, 263459, 315287, 325069, 669445, 690215, 825995, 966301, 1156393, 1166747, 1317295, 1396271, 1576435, 1625345, 2275483, 2747501, 3287993, 4831505, 5781965, 5833735, 6981355, 8167229, 9773897, 10077139, 11377415, 13737505, 16439965, 19232507, 23015951, 40836145, 48869485, 50385695, 70539973, 85172531, 96162535, 101927783, 115079755, 200567573, 352699865, 425862655, 509638915, 596207717, 713494481, 1002837865, 1403973011, 2981038585, 3567472405, 6217594763, 7019865055, 31087973815, 43523163341, 217615816705]

約数ペア:

[(1, 217615816705), (5, 43523163341), (7, 31087973815), (31, 7019865055), (35, 6217594763), (61, 3567472405), (73, 2981038585), (155, 1403973011), (217, 1002837865), (305, 713494481), (365, 596207717), (427, 509638915), (511, 425862655), (617, 352699865), (1085, 200567573), (1891, 115079755), (2135, 101927783), (2263, 96162535), (2555, 85172531), (3085, 70539973), (4319, 50385695), (4453, 48869485), (5329, 40836145), (9455, 23015951), (11315, 19232507), (13237, 16439965), (15841, 13737505), (19127, 11377415), (21595, 10077139), (22265, 9773897), (26645, 8167229), (31171, 6981355), (37303, 5833735), (37637, 5781965), (45041, 4831505), (66185, 3287993), (79205, 2747501), (95635, 2275483), (133889, 1625345), (138043, 1576435), (155855, 1396271), (165199, 1317295), (186515, 1166747), (188185, 1156393), (225205, 966301), (263459, 825995), (315287, 690215), (325069, 669445)]