28131530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 61337088

約数和(自身を除く): 33205558

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 101, 115, 161, 173, 202, 230, 322, 346, 505, 707, 805, 865, 1010, 1211, 1414, 1610, 1730, 2323, 2422, 3535, 3979, 4646, 6055, 7070, 7958, 11615, 12110, 16261, 17473, 19895, 23230, 27853, 32522, 34946, 39790, 55706, 81305, 87365, 122311, 139265, 162610, 174730, 244622, 278530, 401879, 611555, 803758, 1223110, 2009395, 2813153, 4018790, 5626306, 14065765, 28131530]

約数ペア:

[(1, 28131530), (2, 14065765), (5, 5626306), (7, 4018790), (10, 2813153), (14, 2009395), (23, 1223110), (35, 803758), (46, 611555), (70, 401879), (101, 278530), (115, 244622), (161, 174730), (173, 162610), (202, 139265), (230, 122311), (322, 87365), (346, 81305), (505, 55706), (707, 39790), (805, 34946), (865, 32522), (1010, 27853), (1211, 23230), (1414, 19895), (1610, 17473), (1730, 16261), (2323, 12110), (2422, 11615), (3535, 7958), (3979, 7070), (4646, 6055)]