28683928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 70066080

約数和(自身を除く): 41382152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 41, 52, 56, 62, 82, 91, 104, 124, 164, 182, 217, 248, 287, 328, 364, 403, 434, 533, 574, 728, 806, 868, 961, 1066, 1148, 1271, 1612, 1736, 1922, 2132, 2296, 2542, 2821, 3224, 3731, 3844, 4264, 5084, 5642, 6727, 7462, 7688, 8897, 10168, 11284, 12493, 13454, 14924, 16523, 17794, 22568, 24986, 26908, 29848, 33046, 35588, 39401, 49972, 53816, 66092, 71176, 78802, 87451, 99944, 115661, 132184, 157604, 174902, 231322, 275807, 315208, 349804, 462644, 512213, 551614, 699608, 925288, 1024426, 1103228, 2048852, 2206456, 3585491, 4097704, 7170982, 14341964, 28683928]

約数ペア:

[(1, 28683928), (2, 14341964), (4, 7170982), (7, 4097704), (8, 3585491), (13, 2206456), (14, 2048852), (26, 1103228), (28, 1024426), (31, 925288), (41, 699608), (52, 551614), (56, 512213), (62, 462644), (82, 349804), (91, 315208), (104, 275807), (124, 231322), (164, 174902), (182, 157604), (217, 132184), (248, 115661), (287, 99944), (328, 87451), (364, 78802), (403, 71176), (434, 66092), (533, 53816), (574, 49972), (728, 39401), (806, 35588), (868, 33046), (961, 29848), (1066, 26908), (1148, 24986), (1271, 22568), (1612, 17794), (1736, 16523), (1922, 14924), (2132, 13454), (2296, 12493), (2542, 11284), (2821, 10168), (3224, 8897), (3731, 7688), (3844, 7462), (4264, 6727), (5084, 5642)]