197816508

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 510977376

約数和(自身を除く): 313160868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 193, 213, 284, 386, 401, 426, 579, 639, 772, 802, 852, 1158, 1203, 1278, 1604, 1737, 2316, 2406, 2556, 3474, 3609, 4812, 6948, 7218, 13703, 14436, 27406, 28471, 41109, 54812, 56942, 77393, 82218, 85413, 113884, 123327, 154786, 164436, 170826, 232179, 246654, 256239, 309572, 341652, 464358, 493308, 512478, 696537, 928716, 1024956, 1393074, 2786148, 5494903, 10989806, 16484709, 21979612, 32969418, 49454127, 65938836, 98908254, 197816508]

約数ペア:

[(1, 197816508), (2, 98908254), (3, 65938836), (4, 49454127), (6, 32969418), (9, 21979612), (12, 16484709), (18, 10989806), (36, 5494903), (71, 2786148), (142, 1393074), (193, 1024956), (213, 928716), (284, 696537), (386, 512478), (401, 493308), (426, 464358), (579, 341652), (639, 309572), (772, 256239), (802, 246654), (852, 232179), (1158, 170826), (1203, 164436), (1278, 154786), (1604, 123327), (1737, 113884), (2316, 85413), (2406, 82218), (2556, 77393), (3474, 56942), (3609, 54812), (4812, 41109), (6948, 28471), (7218, 27406), (13703, 14436)]