78678712

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 175608000

約数和(自身を除く): 96929288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 343, 371, 392, 424, 541, 686, 742, 1082, 1372, 1484, 2164, 2597, 2744, 2968, 3787, 4328, 5194, 7574, 10388, 15148, 18179, 20776, 26509, 28673, 30296, 36358, 53018, 57346, 72716, 106036, 114692, 145432, 185563, 200711, 212072, 229384, 371126, 401422, 742252, 802844, 1404977, 1484504, 1605688, 2809954, 5619908, 9834839, 11239816, 19669678, 39339356, 78678712]

約数ペア:

[(1, 78678712), (2, 39339356), (4, 19669678), (7, 11239816), (8, 9834839), (14, 5619908), (28, 2809954), (49, 1605688), (53, 1484504), (56, 1404977), (98, 802844), (106, 742252), (196, 401422), (212, 371126), (343, 229384), (371, 212072), (392, 200711), (424, 185563), (541, 145432), (686, 114692), (742, 106036), (1082, 72716), (1372, 57346), (1484, 53018), (2164, 36358), (2597, 30296), (2744, 28673), (2968, 26509), (3787, 20776), (4328, 18179), (5194, 15148), (7574, 10388)]