28715323390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{683861}}^1$

素因数の和:683917

約数の個数: 64

約数和(自身を含む): 62039960640

約数和(自身を除く): 33324637250

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 2210, 2470, 3230, 4199, 8398, 20995, 41990, 683861, 1367722, 3419305, 6838610, 8890193, 11625637, 12993359, 17780386, 23251274, 25986718, 44450965, 58128185, 64966795, 88901930, 116256370, 129933590, 151133281, 168913667, 220887103, 302266562, 337827334, 441774206, 755666405, 844568335, 1104435515, 1511332810, 1689136670, 2208871030, 2871532339, 5743064678, 14357661695, 28715323390]

約数ペア:

[(1, 28715323390), (2, 14357661695), (5, 5743064678), (10, 2871532339), (13, 2208871030), (17, 1689136670), (19, 1511332810), (26, 1104435515), (34, 844568335), (38, 755666405), (65, 441774206), (85, 337827334), (95, 302266562), (130, 220887103), (170, 168913667), (190, 151133281), (221, 129933590), (247, 116256370), (323, 88901930), (442, 64966795), (494, 58128185), (646, 44450965), (1105, 25986718), (1235, 23251274), (1615, 17780386), (2210, 12993359), (2470, 11625637), (3230, 8890193), (4199, 6838610), (8398, 3419305), (20995, 1367722), (41990, 683861)]