161817812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 311592960

約数和(自身を除く): 149775148

約数列:

[1, 2, 4, 13, 26, 52, 107, 127, 214, 229, 254, 428, 458, 508, 916, 1391, 1651, 2782, 2977, 3302, 5564, 5954, 6604, 11908, 13589, 24503, 27178, 29083, 49006, 54356, 58166, 98012, 116332, 176657, 318539, 353314, 378079, 637078, 706628, 756158, 1274156, 1512316, 3111881, 6223762, 12447524, 40454453, 80908906, 161817812]

約数ペア:

[(1, 161817812), (2, 80908906), (4, 40454453), (13, 12447524), (26, 6223762), (52, 3111881), (107, 1512316), (127, 1274156), (214, 756158), (229, 706628), (254, 637078), (428, 378079), (458, 353314), (508, 318539), (916, 176657), (1391, 116332), (1651, 98012), (2782, 58166), (2977, 54356), (3302, 49006), (5564, 29083), (5954, 27178), (6604, 24503), (11908, 13589)]