51490728

素因数分解:

$2^3\times 3^{10}\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 88

約数和(自身を含む): 146145450

約数和(自身を除く): 94654722

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 243, 324, 327, 436, 486, 648, 654, 729, 872, 972, 981, 1308, 1458, 1944, 1962, 2187, 2616, 2916, 2943, 3924, 4374, 5832, 5886, 6561, 7848, 8748, 8829, 11772, 13122, 17496, 17658, 19683, 23544, 26244, 26487, 35316, 39366, 52488, 52974, 59049, 70632, 78732, 79461, 105948, 118098, 157464, 158922, 211896, 236196, 238383, 317844, 472392, 476766, 635688, 715149, 953532, 1430298, 1907064, 2145447, 2860596, 4290894, 5721192, 6436341, 8581788, 12872682, 17163576, 25745364, 51490728]

約数ペア:

[(1, 51490728), (2, 25745364), (3, 17163576), (4, 12872682), (6, 8581788), (8, 6436341), (9, 5721192), (12, 4290894), (18, 2860596), (24, 2145447), (27, 1907064), (36, 1430298), (54, 953532), (72, 715149), (81, 635688), (108, 476766), (109, 472392), (162, 317844), (216, 238383), (218, 236196), (243, 211896), (324, 158922), (327, 157464), (436, 118098), (486, 105948), (648, 79461), (654, 78732), (729, 70632), (872, 59049), (972, 52974), (981, 52488), (1308, 39366), (1458, 35316), (1944, 26487), (1962, 26244), (2187, 23544), (2616, 19683), (2916, 17658), (2943, 17496), (3924, 13122), (4374, 11772), (5832, 8829), (5886, 8748), (6561, 7848)]