215886564

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 569864568

約数和(自身を除く): 353978004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 333, 366, 444, 549, 666, 732, 1098, 1332, 2196, 2257, 2657, 4514, 5314, 6771, 7971, 9028, 10628, 13542, 15942, 20313, 23913, 27084, 31884, 40626, 47826, 81252, 95652, 98309, 162077, 196618, 294927, 324154, 393236, 486231, 589854, 648308, 884781, 972462, 1179708, 1458693, 1769562, 1944924, 2917386, 3539124, 5834772, 5996849, 11993698, 17990547, 23987396, 35981094, 53971641, 71962188, 107943282, 215886564]

約数ペア:

[(1, 215886564), (2, 107943282), (3, 71962188), (4, 53971641), (6, 35981094), (9, 23987396), (12, 17990547), (18, 11993698), (36, 5996849), (37, 5834772), (61, 3539124), (74, 2917386), (111, 1944924), (122, 1769562), (148, 1458693), (183, 1179708), (222, 972462), (244, 884781), (333, 648308), (366, 589854), (444, 486231), (549, 393236), (666, 324154), (732, 294927), (1098, 196618), (1332, 162077), (2196, 98309), (2257, 95652), (2657, 81252), (4514, 47826), (5314, 40626), (6771, 31884), (7971, 27084), (9028, 23913), (10628, 20313), (13542, 15942)]