87782968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 220993920

約数和(自身を除く): 133210952

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 41, 52, 56, 68, 82, 91, 104, 119, 136, 164, 173, 182, 221, 238, 287, 328, 346, 364, 442, 476, 533, 574, 692, 697, 728, 884, 952, 1066, 1148, 1211, 1384, 1394, 1547, 1768, 2132, 2249, 2296, 2422, 2788, 2941, 3094, 3731, 4264, 4498, 4844, 4879, 5576, 5882, 6188, 7093, 7462, 8996, 9061, 9688, 9758, 11764, 12376, 14186, 14924, 15743, 17992, 18122, 19516, 20587, 23528, 28372, 29848, 31486, 36244, 38233, 39032, 41174, 49651, 56744, 62972, 63427, 72488, 76466, 82348, 92209, 99302, 120581, 125944, 126854, 152932, 164696, 184418, 198604, 241162, 253708, 267631, 305864, 368836, 397208, 482324, 507416, 535262, 645463, 737672, 844067, 964648, 1070524, 1290926, 1567553, 1688134, 2141048, 2581852, 3135106, 3376268, 5163704, 6270212, 6752536, 10972871, 12540424, 21945742, 43891484, 87782968]

約数ペア:

[(1, 87782968), (2, 43891484), (4, 21945742), (7, 12540424), (8, 10972871), (13, 6752536), (14, 6270212), (17, 5163704), (26, 3376268), (28, 3135106), (34, 2581852), (41, 2141048), (52, 1688134), (56, 1567553), (68, 1290926), (82, 1070524), (91, 964648), (104, 844067), (119, 737672), (136, 645463), (164, 535262), (173, 507416), (182, 482324), (221, 397208), (238, 368836), (287, 305864), (328, 267631), (346, 253708), (364, 241162), (442, 198604), (476, 184418), (533, 164696), (574, 152932), (692, 126854), (697, 125944), (728, 120581), (884, 99302), (952, 92209), (1066, 82348), (1148, 76466), (1211, 72488), (1384, 63427), (1394, 62972), (1547, 56744), (1768, 49651), (2132, 41174), (2249, 39032), (2296, 38233), (2422, 36244), (2788, 31486), (2941, 29848), (3094, 28372), (3731, 23528), (4264, 20587), (4498, 19516), (4844, 18122), (4879, 17992), (5576, 15743), (5882, 14924), (6188, 14186), (7093, 12376), (7462, 11764), (8996, 9758), (9061, 9688)]