163270856

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 228639544

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 47, 56, 68, 82, 89, 94, 119, 136, 164, 178, 188, 238, 287, 328, 329, 356, 376, 476, 574, 623, 658, 697, 712, 799, 952, 1148, 1246, 1316, 1394, 1513, 1598, 1927, 2296, 2492, 2632, 2788, 3026, 3196, 3649, 3854, 4183, 4879, 4984, 5576, 5593, 6052, 6392, 7298, 7708, 8366, 9758, 10591, 11186, 12104, 13489, 14596, 15416, 16732, 19516, 21182, 22372, 25543, 26978, 29192, 29281, 32759, 33464, 39032, 42364, 44744, 51086, 53956, 58562, 62033, 65518, 71111, 84728, 102172, 107912, 117124, 124066, 131036, 142222, 171503, 204344, 229313, 234248, 248132, 262072, 284444, 343006, 434231, 458626, 496264, 497777, 568888, 686012, 868462, 917252, 995554, 1200521, 1372024, 1736924, 1834504, 1991108, 2401042, 2915551, 3473848, 3982216, 4802084, 5831102, 9604168, 11662204, 20408857, 23324408, 40817714, 81635428, 163270856]

約数ペア:

[(1, 163270856), (2, 81635428), (4, 40817714), (7, 23324408), (8, 20408857), (14, 11662204), (17, 9604168), (28, 5831102), (34, 4802084), (41, 3982216), (47, 3473848), (56, 2915551), (68, 2401042), (82, 1991108), (89, 1834504), (94, 1736924), (119, 1372024), (136, 1200521), (164, 995554), (178, 917252), (188, 868462), (238, 686012), (287, 568888), (328, 497777), (329, 496264), (356, 458626), (376, 434231), (476, 343006), (574, 284444), (623, 262072), (658, 248132), (697, 234248), (712, 229313), (799, 204344), (952, 171503), (1148, 142222), (1246, 131036), (1316, 124066), (1394, 117124), (1513, 107912), (1598, 102172), (1927, 84728), (2296, 71111), (2492, 65518), (2632, 62033), (2788, 58562), (3026, 53956), (3196, 51086), (3649, 44744), (3854, 42364), (4183, 39032), (4879, 33464), (4984, 32759), (5576, 29281), (5593, 29192), (6052, 26978), (6392, 25543), (7298, 22372), (7708, 21182), (8366, 19516), (9758, 16732), (10591, 15416), (11186, 14596), (12104, 13489)]