31728784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 37463216

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 59, 61, 76, 116, 118, 122, 152, 232, 236, 244, 304, 464, 472, 488, 551, 944, 976, 1102, 1121, 1159, 1711, 1769, 2204, 2242, 2318, 3422, 3538, 3599, 4408, 4484, 4636, 6844, 7076, 7198, 8816, 8968, 9272, 13688, 14152, 14396, 17936, 18544, 27376, 28304, 28792, 32509, 33611, 57584, 65018, 67222, 68381, 104371, 130036, 134444, 136762, 208742, 260072, 268888, 273524, 417484, 520144, 537776, 547048, 834968, 1094096, 1669936, 1983049, 3966098, 7932196, 15864392, 31728784]

約数ペア:

[(1, 31728784), (2, 15864392), (4, 7932196), (8, 3966098), (16, 1983049), (19, 1669936), (29, 1094096), (38, 834968), (58, 547048), (59, 537776), (61, 520144), (76, 417484), (116, 273524), (118, 268888), (122, 260072), (152, 208742), (232, 136762), (236, 134444), (244, 130036), (304, 104371), (464, 68381), (472, 67222), (488, 65018), (551, 57584), (944, 33611), (976, 32509), (1102, 28792), (1121, 28304), (1159, 27376), (1711, 18544), (1769, 17936), (2204, 14396), (2242, 14152), (2318, 13688), (3422, 9272), (3538, 8968), (3599, 8816), (4408, 7198), (4484, 7076), (4636, 6844)]