15721819204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{26161}}^1$

素因数の和:26325

約数の個数: 72

約数和(自身を含む): 34317846528

約数和(自身を除く): 18596027324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 169, 182, 254, 338, 364, 508, 676, 889, 1183, 1651, 1778, 2366, 3302, 3556, 4732, 6604, 11557, 21463, 23114, 26161, 42926, 46228, 52322, 85852, 104644, 150241, 183127, 300482, 340093, 366254, 600964, 680186, 732508, 1360372, 2380651, 3322447, 4421209, 4761302, 6644894, 8842418, 9522604, 13289788, 17684836, 23257129, 30948463, 43191811, 46514258, 61896926, 86383622, 93028516, 123793852, 172767244, 302342677, 561493543, 604685354, 1122987086, 1209370708, 2245974172, 3930454801, 7860909602, 15721819204]

約数ペア:

[(1, 15721819204), (2, 7860909602), (4, 3930454801), (7, 2245974172), (13, 1209370708), (14, 1122987086), (26, 604685354), (28, 561493543), (52, 302342677), (91, 172767244), (127, 123793852), (169, 93028516), (182, 86383622), (254, 61896926), (338, 46514258), (364, 43191811), (508, 30948463), (676, 23257129), (889, 17684836), (1183, 13289788), (1651, 9522604), (1778, 8842418), (2366, 6644894), (3302, 4761302), (3556, 4421209), (4732, 3322447), (6604, 2380651), (11557, 1360372), (21463, 732508), (23114, 680186), (26161, 600964), (42926, 366254), (46228, 340093), (52322, 300482), (85852, 183127), (104644, 150241)]