15721921852

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{10301}}^1$

素因数の和:10931

約数の個数: 72

約数和(自身を含む): 34528183200

約数和(自身を除く): 18806261348

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 599, 637, 1198, 1274, 2396, 2548, 4193, 7787, 8386, 10301, 15574, 16772, 20602, 29351, 31148, 41204, 54509, 58702, 72107, 109018, 117404, 133913, 144214, 218036, 267826, 288428, 381563, 504749, 535652, 763126, 937391, 1009498, 1526252, 1874782, 2018996, 3749564, 6170299, 6561737, 12340598, 13123474, 24681196, 26246948, 43192093, 80213887, 86384186, 160427774, 172768372, 302344651, 320855548, 561497209, 604689302, 1122994418, 1209378604, 2245988836, 3930480463, 7860960926, 15721921852]

約数ペア:

[(1, 15721921852), (2, 7860960926), (4, 3930480463), (7, 2245988836), (13, 1209378604), (14, 1122994418), (26, 604689302), (28, 561497209), (49, 320855548), (52, 302344651), (91, 172768372), (98, 160427774), (182, 86384186), (196, 80213887), (364, 43192093), (599, 26246948), (637, 24681196), (1198, 13123474), (1274, 12340598), (2396, 6561737), (2548, 6170299), (4193, 3749564), (7787, 2018996), (8386, 1874782), (10301, 1526252), (15574, 1009498), (16772, 937391), (20602, 763126), (29351, 535652), (31148, 504749), (41204, 381563), (54509, 288428), (58702, 267826), (72107, 218036), (109018, 144214), (117404, 133913)]