339928784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 728286720

約数和(自身を除く): 388357936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 137, 151, 158, 208, 274, 302, 316, 548, 604, 632, 1027, 1096, 1208, 1264, 1781, 1963, 2054, 2192, 2416, 3562, 3926, 4108, 7124, 7852, 8216, 10823, 11929, 14248, 15704, 16432, 20687, 21646, 23858, 28496, 31408, 41374, 43292, 47716, 82748, 86584, 95432, 140699, 155077, 165496, 173168, 190864, 268931, 281398, 310154, 330992, 537862, 562796, 620308, 1075724, 1125592, 1240616, 1634273, 2151448, 2251184, 2481232, 3268546, 4302896, 6537092, 13074184, 21245549, 26148368, 42491098, 84982196, 169964392, 339928784]

約数ペア:

[(1, 339928784), (2, 169964392), (4, 84982196), (8, 42491098), (13, 26148368), (16, 21245549), (26, 13074184), (52, 6537092), (79, 4302896), (104, 3268546), (137, 2481232), (151, 2251184), (158, 2151448), (208, 1634273), (274, 1240616), (302, 1125592), (316, 1075724), (548, 620308), (604, 562796), (632, 537862), (1027, 330992), (1096, 310154), (1208, 281398), (1264, 268931), (1781, 190864), (1963, 173168), (2054, 165496), (2192, 155077), (2416, 140699), (3562, 95432), (3926, 86584), (4108, 82748), (7124, 47716), (7852, 43292), (8216, 41374), (10823, 31408), (11929, 28496), (14248, 23858), (15704, 21646), (16432, 20687)]