1328881736

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:739

約数の個数: 128

約数和(自身を含む): 3251404800

約数和(自身を除く): 1922523064

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 191, 247, 266, 364, 382, 494, 503, 532, 728, 764, 988, 1006, 1064, 1337, 1528, 1729, 1976, 2012, 2483, 2674, 3458, 3521, 3629, 4024, 4966, 5348, 6539, 6916, 7042, 7258, 9557, 9932, 10696, 13078, 13832, 14084, 14516, 17381, 19114, 19864, 25403, 26156, 28168, 29032, 34762, 38228, 45773, 47177, 50806, 52312, 66899, 69524, 76456, 91546, 94354, 96073, 101612, 124241, 133798, 139048, 183092, 188708, 192146, 203224, 248482, 267596, 330239, 366184, 377416, 384292, 496964, 535192, 660478, 672511, 768584, 869687, 993928, 1248949, 1320956, 1345022, 1739374, 1825387, 2497898, 2641912, 2690044, 3478748, 3650774, 4995796, 5380088, 6957496, 7301548, 8742643, 9991592, 12777709, 14603096, 17485286, 23730031, 25555418, 34970572, 47460062, 51110836, 69941144, 94920124, 102221672, 166110217, 189840248, 332220434, 664440868, 1328881736]

約数ペア:

[(1, 1328881736), (2, 664440868), (4, 332220434), (7, 189840248), (8, 166110217), (13, 102221672), (14, 94920124), (19, 69941144), (26, 51110836), (28, 47460062), (38, 34970572), (52, 25555418), (56, 23730031), (76, 17485286), (91, 14603096), (104, 12777709), (133, 9991592), (152, 8742643), (182, 7301548), (191, 6957496), (247, 5380088), (266, 4995796), (364, 3650774), (382, 3478748), (494, 2690044), (503, 2641912), (532, 2497898), (728, 1825387), (764, 1739374), (988, 1345022), (1006, 1320956), (1064, 1248949), (1337, 993928), (1528, 869687), (1729, 768584), (1976, 672511), (2012, 660478), (2483, 535192), (2674, 496964), (3458, 384292), (3521, 377416), (3629, 366184), (4024, 330239), (4966, 267596), (5348, 248482), (6539, 203224), (6916, 192146), (7042, 188708), (7258, 183092), (9557, 139048), (9932, 133798), (10696, 124241), (13078, 101612), (13832, 96073), (14084, 94354), (14516, 91546), (17381, 76456), (19114, 69524), (19864, 66899), (25403, 52312), (26156, 50806), (28168, 47177), (29032, 45773), (34762, 38228)]