643838587197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{18787}}^1$

素因数の和:19182

約数の個数: 64

約数和(自身を含む): 967494823680

約数和(自身を除く): 323656236483

約数列:

[1, 3, 13, 29, 39, 87, 157, 193, 377, 471, 579, 1131, 2041, 2509, 4553, 5597, 6123, 7527, 13659, 16791, 18787, 30301, 56361, 59189, 72761, 90903, 177567, 218283, 244231, 393913, 544823, 732693, 878729, 1181739, 1634469, 2636187, 2949559, 3625891, 7082699, 8848677, 10877673, 11423477, 21248097, 34270431, 38344267, 47136583, 85537211, 105150839, 115032801, 141409749, 256611633, 315452517, 569264887, 1111983743, 1366960907, 1707794661, 3335951229, 4100882721, 7400443531, 16508681723, 22201330593, 49526045169, 214612862399, 643838587197]

約数ペア:

[(1, 643838587197), (3, 214612862399), (13, 49526045169), (29, 22201330593), (39, 16508681723), (87, 7400443531), (157, 4100882721), (193, 3335951229), (377, 1707794661), (471, 1366960907), (579, 1111983743), (1131, 569264887), (2041, 315452517), (2509, 256611633), (4553, 141409749), (5597, 115032801), (6123, 105150839), (7527, 85537211), (13659, 47136583), (16791, 38344267), (18787, 34270431), (30301, 21248097), (56361, 11423477), (59189, 10877673), (72761, 8848677), (90903, 7082699), (177567, 3625891), (218283, 2949559), (244231, 2636187), (393913, 1634469), (544823, 1181739), (732693, 878729)]