257463432

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^2\times {\mathrm{61}}^2$

素因数の和:196

約数の個数: 108

約数和(自身を含む): 732521205

約数和(自身を除く): 475057773

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 61, 62, 72, 93, 122, 124, 183, 186, 244, 248, 279, 366, 372, 488, 549, 558, 732, 744, 961, 1098, 1116, 1464, 1891, 1922, 2196, 2232, 2883, 3721, 3782, 3844, 4392, 5673, 5766, 7442, 7564, 7688, 8649, 11163, 11346, 11532, 14884, 15128, 17019, 17298, 22326, 22692, 23064, 29768, 33489, 34038, 34596, 44652, 45384, 58621, 66978, 68076, 69192, 89304, 115351, 117242, 133956, 136152, 175863, 230702, 234484, 267912, 346053, 351726, 461404, 468968, 527589, 692106, 703452, 922808, 1038159, 1055178, 1384212, 1406904, 2076318, 2110356, 2768424, 3575881, 4152636, 4220712, 7151762, 8305272, 10727643, 14303524, 21455286, 28607048, 32182929, 42910572, 64365858, 85821144, 128731716, 257463432]

約数ペア:

[(1, 257463432), (2, 128731716), (3, 85821144), (4, 64365858), (6, 42910572), (8, 32182929), (9, 28607048), (12, 21455286), (18, 14303524), (24, 10727643), (31, 8305272), (36, 7151762), (61, 4220712), (62, 4152636), (72, 3575881), (93, 2768424), (122, 2110356), (124, 2076318), (183, 1406904), (186, 1384212), (244, 1055178), (248, 1038159), (279, 922808), (366, 703452), (372, 692106), (488, 527589), (549, 468968), (558, 461404), (732, 351726), (744, 346053), (961, 267912), (1098, 234484), (1116, 230702), (1464, 175863), (1891, 136152), (1922, 133956), (2196, 117242), (2232, 115351), (2883, 89304), (3721, 69192), (3782, 68076), (3844, 66978), (4392, 58621), (5673, 45384), (5766, 44652), (7442, 34596), (7564, 34038), (7688, 33489), (8649, 29768), (11163, 23064), (11346, 22692), (11532, 22326), (14884, 17298), (15128, 17019)]