257364666

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2156

約数の個数: 96

約数和(自身を含む): 656667648

約数和(自身を除く): 399302982

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 153, 186, 221, 234, 279, 306, 403, 442, 527, 558, 663, 806, 1054, 1209, 1326, 1581, 1989, 2087, 2418, 3162, 3627, 3978, 4174, 4743, 6261, 6851, 7254, 9486, 12522, 13702, 18783, 20553, 27131, 35479, 37566, 41106, 54262, 61659, 64697, 70958, 81393, 106437, 123318, 129394, 162786, 194091, 212874, 244179, 319311, 388182, 461227, 488358, 582273, 638622, 841061, 922454, 1099849, 1164546, 1383681, 1682122, 2199698, 2523183, 2767362, 3299547, 4151043, 5046366, 6599094, 7569549, 8302086, 9898641, 14298037, 15139098, 19797282, 28596074, 42894111, 85788222, 128682333, 257364666]

約数ペア:

[(1, 257364666), (2, 128682333), (3, 85788222), (6, 42894111), (9, 28596074), (13, 19797282), (17, 15139098), (18, 14298037), (26, 9898641), (31, 8302086), (34, 7569549), (39, 6599094), (51, 5046366), (62, 4151043), (78, 3299547), (93, 2767362), (102, 2523183), (117, 2199698), (153, 1682122), (186, 1383681), (221, 1164546), (234, 1099849), (279, 922454), (306, 841061), (403, 638622), (442, 582273), (527, 488358), (558, 461227), (663, 388182), (806, 319311), (1054, 244179), (1209, 212874), (1326, 194091), (1581, 162786), (1989, 129394), (2087, 123318), (2418, 106437), (3162, 81393), (3627, 70958), (3978, 64697), (4174, 61659), (4743, 54262), (6261, 41106), (6851, 37566), (7254, 35479), (9486, 27131), (12522, 20553), (13702, 18783)]