203411416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 435052800

約数和(自身を除く): 231641384

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 311, 331, 494, 622, 662, 988, 1244, 1324, 1976, 2488, 2648, 4043, 4303, 5909, 6289, 8086, 8606, 11818, 12578, 16172, 17212, 23636, 25156, 32344, 34424, 47272, 50312, 76817, 81757, 102941, 153634, 163514, 205882, 307268, 327028, 411764, 614536, 654056, 823528, 1338233, 1955879, 2676466, 3911758, 5352932, 7823516, 10705864, 15647032, 25426427, 50852854, 101705708, 203411416]

約数ペア:

[(1, 203411416), (2, 101705708), (4, 50852854), (8, 25426427), (13, 15647032), (19, 10705864), (26, 7823516), (38, 5352932), (52, 3911758), (76, 2676466), (104, 1955879), (152, 1338233), (247, 823528), (311, 654056), (331, 614536), (494, 411764), (622, 327028), (662, 307268), (988, 205882), (1244, 163514), (1324, 153634), (1976, 102941), (2488, 81757), (2648, 76817), (4043, 50312), (4303, 47272), (5909, 34424), (6289, 32344), (8086, 25156), (8606, 23636), (11818, 17212), (12578, 16172)]