28781476584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{9157}}^1$

素因数の和:9579

約数の個数: 128

約数和(自身を含む): 84030877440

約数和(自身を除く): 55249400856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 353, 371, 424, 636, 706, 742, 1059, 1113, 1272, 1412, 1484, 2118, 2226, 2471, 2824, 2968, 4236, 4452, 4942, 7413, 8472, 8904, 9157, 9884, 14826, 18314, 18709, 19768, 27471, 29652, 36628, 37418, 54942, 56127, 59304, 64099, 73256, 74836, 109884, 112254, 128198, 130963, 149672, 192297, 219768, 224508, 256396, 261926, 384594, 392889, 449016, 485321, 512792, 523852, 769188, 785778, 970642, 1047704, 1455963, 1538376, 1571556, 1941284, 2911926, 3143112, 3232421, 3397247, 3882568, 5823852, 6464842, 6794494, 9697263, 10191741, 11647704, 12929684, 13588988, 19394526, 20383482, 22626947, 25859368, 27177976, 38789052, 40766964, 45253894, 67880841, 77578104, 81533928, 90507788, 135761682, 171318313, 181015576, 271523364, 342636626, 513954939, 543046728, 685273252, 1027909878, 1199228191, 1370546504, 2055819756, 2398456382, 3597684573, 4111639512, 4796912764, 7195369146, 9593825528, 14390738292, 28781476584]

約数ペア:

[(1, 28781476584), (2, 14390738292), (3, 9593825528), (4, 7195369146), (6, 4796912764), (7, 4111639512), (8, 3597684573), (12, 2398456382), (14, 2055819756), (21, 1370546504), (24, 1199228191), (28, 1027909878), (42, 685273252), (53, 543046728), (56, 513954939), (84, 342636626), (106, 271523364), (159, 181015576), (168, 171318313), (212, 135761682), (318, 90507788), (353, 81533928), (371, 77578104), (424, 67880841), (636, 45253894), (706, 40766964), (742, 38789052), (1059, 27177976), (1113, 25859368), (1272, 22626947), (1412, 20383482), (1484, 19394526), (2118, 13588988), (2226, 12929684), (2471, 11647704), (2824, 10191741), (2968, 9697263), (4236, 6794494), (4452, 6464842), (4942, 5823852), (7413, 3882568), (8472, 3397247), (8904, 3232421), (9157, 3143112), (9884, 2911926), (14826, 1941284), (18314, 1571556), (18709, 1538376), (19768, 1455963), (27471, 1047704), (29652, 970642), (36628, 785778), (37418, 769188), (54942, 523852), (56127, 512792), (59304, 485321), (64099, 449016), (73256, 392889), (74836, 384594), (109884, 261926), (112254, 256396), (128198, 224508), (130963, 219768), (149672, 192297)]