661569098864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1\times {\mathrm{15913}}^1$

素因数の和:16942

約数の個数: 80

約数和(自身を含む): 1359233836800

約数和(自身を除く): 697664737936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 652, 839, 1304, 1678, 2608, 3097, 3356, 6194, 6712, 12388, 13424, 15913, 15941, 24776, 31826, 31882, 49552, 63652, 63764, 127304, 127528, 136757, 254608, 255056, 273514, 302347, 547028, 604694, 1094056, 1209388, 2188112, 2418776, 2593819, 2598383, 4837552, 5187638, 5196766, 10375276, 10393532, 13351007, 20750552, 20787064, 26702014, 41501104, 41574128, 49282561, 53404028, 98565122, 106808056, 197130244, 213616112, 253669133, 394260488, 507338266, 788520976, 1014676532, 2029353064, 2176214141, 4058706128, 4352428282, 8704856564, 17409713128, 34819426256, 41348068679, 82696137358, 165392274716, 330784549432, 661569098864]

約数ペア:

[(1, 661569098864), (2, 330784549432), (4, 165392274716), (8, 82696137358), (16, 41348068679), (19, 34819426256), (38, 17409713128), (76, 8704856564), (152, 4352428282), (163, 4058706128), (304, 2176214141), (326, 2029353064), (652, 1014676532), (839, 788520976), (1304, 507338266), (1678, 394260488), (2608, 253669133), (3097, 213616112), (3356, 197130244), (6194, 106808056), (6712, 98565122), (12388, 53404028), (13424, 49282561), (15913, 41574128), (15941, 41501104), (24776, 26702014), (31826, 20787064), (31882, 20750552), (49552, 13351007), (63652, 10393532), (63764, 10375276), (127304, 5196766), (127528, 5187638), (136757, 4837552), (254608, 2598383), (255056, 2593819), (273514, 2418776), (302347, 2188112), (547028, 1209388), (604694, 1094056)]