211221036

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 605404800

約数和(自身を除く): 394183764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 79, 87, 116, 117, 156, 158, 174, 197, 234, 237, 261, 316, 348, 377, 394, 468, 474, 522, 591, 711, 754, 788, 948, 1027, 1044, 1131, 1182, 1422, 1508, 1773, 2054, 2262, 2291, 2364, 2561, 2844, 3081, 3393, 3546, 4108, 4524, 4582, 5122, 5713, 6162, 6786, 6873, 7092, 7683, 9164, 9243, 10244, 11426, 12324, 13572, 13746, 15366, 15563, 17139, 18486, 20619, 22852, 23049, 27492, 29783, 30732, 31126, 34278, 36972, 41238, 46098, 46689, 51417, 59566, 62252, 68556, 74269, 82476, 89349, 92196, 93378, 102834, 119132, 140067, 148538, 178698, 186756, 202319, 205668, 222807, 268047, 280134, 297076, 357396, 404638, 445614, 451327, 536094, 560268, 606957, 668421, 809276, 891228, 902654, 1072188, 1213914, 1336842, 1353981, 1805308, 1820871, 2427828, 2673684, 2707962, 3641742, 4061943, 5415924, 5867251, 7283484, 8123886, 11734502, 16247772, 17601753, 23469004, 35203506, 52805259, 70407012, 105610518, 211221036]

約数ペア:

[(1, 211221036), (2, 105610518), (3, 70407012), (4, 52805259), (6, 35203506), (9, 23469004), (12, 17601753), (13, 16247772), (18, 11734502), (26, 8123886), (29, 7283484), (36, 5867251), (39, 5415924), (52, 4061943), (58, 3641742), (78, 2707962), (79, 2673684), (87, 2427828), (116, 1820871), (117, 1805308), (156, 1353981), (158, 1336842), (174, 1213914), (197, 1072188), (234, 902654), (237, 891228), (261, 809276), (316, 668421), (348, 606957), (377, 560268), (394, 536094), (468, 451327), (474, 445614), (522, 404638), (591, 357396), (711, 297076), (754, 280134), (788, 268047), (948, 222807), (1027, 205668), (1044, 202319), (1131, 186756), (1182, 178698), (1422, 148538), (1508, 140067), (1773, 119132), (2054, 102834), (2262, 93378), (2291, 92196), (2364, 89349), (2561, 82476), (2844, 74269), (3081, 68556), (3393, 62252), (3546, 59566), (4108, 51417), (4524, 46689), (4582, 46098), (5122, 41238), (5713, 36972), (6162, 34278), (6786, 31126), (6873, 30732), (7092, 29783), (7683, 27492), (9164, 23049), (9243, 22852), (10244, 20619), (11426, 18486), (12324, 17139), (13572, 15563), (13746, 15366)]