204090018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 456827904

約数和(自身を除く): 252737886

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 163, 183, 311, 326, 366, 489, 622, 671, 933, 978, 1342, 1793, 1866, 2013, 3421, 3586, 4026, 5379, 6842, 9943, 10263, 10758, 18971, 19886, 20526, 29829, 37942, 50693, 56913, 59658, 101386, 109373, 113826, 152079, 208681, 218746, 304158, 328119, 417362, 557623, 626043, 656238, 1115246, 1252086, 1672869, 3092273, 3345738, 6184546, 9276819, 18553638, 34015003, 68030006, 102045009, 204090018]

約数ペア:

[(1, 204090018), (2, 102045009), (3, 68030006), (6, 34015003), (11, 18553638), (22, 9276819), (33, 6184546), (61, 3345738), (66, 3092273), (122, 1672869), (163, 1252086), (183, 1115246), (311, 656238), (326, 626043), (366, 557623), (489, 417362), (622, 328119), (671, 304158), (933, 218746), (978, 208681), (1342, 152079), (1793, 113826), (1866, 109373), (2013, 101386), (3421, 59658), (3586, 56913), (4026, 50693), (5379, 37942), (6842, 29829), (9943, 20526), (10263, 19886), (10758, 18971)]