121409392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 275537920

約数和(自身を除く): 154128528

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 991, 1178, 1612, 1976, 1982, 2356, 3224, 3952, 3964, 4712, 6448, 7657, 7928, 9424, 12883, 15314, 15856, 18829, 25766, 30628, 30721, 37658, 51532, 61256, 61442, 75316, 103064, 122512, 122884, 150632, 206128, 244777, 245768, 301264, 399373, 489554, 491536, 583699, 798746, 979108, 1167398, 1597492, 1958216, 2334796, 3194984, 3916432, 4669592, 6389968, 7588087, 9339184, 15176174, 30352348, 60704696, 121409392]

約数ペア:

[(1, 121409392), (2, 60704696), (4, 30352348), (8, 15176174), (13, 9339184), (16, 7588087), (19, 6389968), (26, 4669592), (31, 3916432), (38, 3194984), (52, 2334796), (62, 1958216), (76, 1597492), (104, 1167398), (124, 979108), (152, 798746), (208, 583699), (247, 491536), (248, 489554), (304, 399373), (403, 301264), (494, 245768), (496, 244777), (589, 206128), (806, 150632), (988, 122884), (991, 122512), (1178, 103064), (1612, 75316), (1976, 61442), (1982, 61256), (2356, 51532), (3224, 37658), (3952, 30721), (3964, 30628), (4712, 25766), (6448, 18829), (7657, 15856), (7928, 15314), (9424, 12883)]