78639918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 184412160

約数和(自身を除く): 105772242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 137, 158, 173, 237, 274, 346, 411, 474, 519, 553, 822, 959, 1038, 1106, 1211, 1659, 1918, 2422, 2877, 3318, 3633, 5754, 7266, 10823, 13667, 21646, 23701, 27334, 32469, 41001, 47402, 64938, 71103, 75761, 82002, 95669, 142206, 151522, 165907, 191338, 227283, 287007, 331814, 454566, 497721, 574014, 995442, 1872379, 3744758, 5617137, 11234274, 13106653, 26213306, 39319959, 78639918]

約数ペア:

[(1, 78639918), (2, 39319959), (3, 26213306), (6, 13106653), (7, 11234274), (14, 5617137), (21, 3744758), (42, 1872379), (79, 995442), (137, 574014), (158, 497721), (173, 454566), (237, 331814), (274, 287007), (346, 227283), (411, 191338), (474, 165907), (519, 151522), (553, 142206), (822, 95669), (959, 82002), (1038, 75761), (1106, 71103), (1211, 64938), (1659, 47402), (1918, 41001), (2422, 32469), (2877, 27334), (3318, 23701), (3633, 21646), (5754, 13667), (7266, 10823)]