219951288

素因数分解:

$2^3\times 3^4\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1938

約数の個数: 80

約数和(自身を含む): 619553880

約数和(自身を除く): 399602592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 324, 394, 591, 648, 788, 1182, 1576, 1723, 1773, 2364, 3446, 3546, 4728, 5169, 5319, 6892, 7092, 10338, 10638, 13784, 14184, 15507, 15957, 20676, 21276, 31014, 31914, 41352, 42552, 46521, 62028, 63828, 93042, 124056, 127656, 139563, 186084, 279126, 339431, 372168, 558252, 678862, 1018293, 1116504, 1357724, 2036586, 2715448, 3054879, 4073172, 6109758, 8146344, 9164637, 12219516, 18329274, 24439032, 27493911, 36658548, 54987822, 73317096, 109975644, 219951288]

約数ペア:

[(1, 219951288), (2, 109975644), (3, 73317096), (4, 54987822), (6, 36658548), (8, 27493911), (9, 24439032), (12, 18329274), (18, 12219516), (24, 9164637), (27, 8146344), (36, 6109758), (54, 4073172), (72, 3054879), (81, 2715448), (108, 2036586), (162, 1357724), (197, 1116504), (216, 1018293), (324, 678862), (394, 558252), (591, 372168), (648, 339431), (788, 279126), (1182, 186084), (1576, 139563), (1723, 127656), (1773, 124056), (2364, 93042), (3446, 63828), (3546, 62028), (4728, 46521), (5169, 42552), (5319, 41352), (6892, 31914), (7092, 31014), (10338, 21276), (10638, 20676), (13784, 15957), (14184, 15507)]