221213148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 579532800

約数和(自身を除く): 358319652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 149, 156, 186, 298, 307, 372, 403, 447, 596, 614, 806, 894, 921, 1209, 1228, 1612, 1788, 1842, 1937, 2418, 3684, 3874, 3991, 4619, 4836, 5811, 7748, 7982, 9238, 9517, 11622, 11973, 13857, 15964, 18476, 19034, 23244, 23946, 27714, 28551, 38068, 45743, 47892, 55428, 57102, 60047, 91486, 114204, 120094, 123721, 137229, 180141, 182972, 240188, 247442, 274458, 360282, 371163, 494884, 548916, 594659, 720564, 742326, 1189318, 1418033, 1484652, 1783977, 2378636, 2836066, 3567954, 4254099, 5672132, 7135908, 8508198, 17016396, 18434429, 36868858, 55303287, 73737716, 110606574, 221213148]

約数ペア:

[(1, 221213148), (2, 110606574), (3, 73737716), (4, 55303287), (6, 36868858), (12, 18434429), (13, 17016396), (26, 8508198), (31, 7135908), (39, 5672132), (52, 4254099), (62, 3567954), (78, 2836066), (93, 2378636), (124, 1783977), (149, 1484652), (156, 1418033), (186, 1189318), (298, 742326), (307, 720564), (372, 594659), (403, 548916), (447, 494884), (596, 371163), (614, 360282), (806, 274458), (894, 247442), (921, 240188), (1209, 182972), (1228, 180141), (1612, 137229), (1788, 123721), (1842, 120094), (1937, 114204), (2418, 91486), (3684, 60047), (3874, 57102), (3991, 55428), (4619, 47892), (4836, 45743), (5811, 38068), (7748, 28551), (7982, 27714), (9238, 23946), (9517, 23244), (11622, 19034), (11973, 18476), (13857, 15964)]