7990378844

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{1051}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 16521281280

約数和(自身を除く): 8530902436

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 491, 553, 982, 1051, 1106, 1964, 2102, 2212, 3437, 3871, 4204, 6874, 7357, 7742, 13748, 14714, 15484, 24059, 29428, 38789, 48118, 51499, 77578, 83029, 96236, 102998, 155156, 166058, 205996, 271523, 332116, 516041, 543046, 581203, 1032082, 1086092, 1162406, 1900661, 2064164, 2324812, 3612287, 3801322, 4068421, 7224574, 7602644, 8136842, 14449148, 16273684, 25286009, 40767239, 50572018, 81534478, 101144036, 163068956, 285370673, 570741346, 1141482692, 1997594711, 3995189422, 7990378844]

約数ペア:

[(1, 7990378844), (2, 3995189422), (4, 1997594711), (7, 1141482692), (14, 570741346), (28, 285370673), (49, 163068956), (79, 101144036), (98, 81534478), (158, 50572018), (196, 40767239), (316, 25286009), (491, 16273684), (553, 14449148), (982, 8136842), (1051, 7602644), (1106, 7224574), (1964, 4068421), (2102, 3801322), (2212, 3612287), (3437, 2324812), (3871, 2064164), (4204, 1900661), (6874, 1162406), (7357, 1086092), (7742, 1032082), (13748, 581203), (14714, 543046), (15484, 516041), (24059, 332116), (29428, 271523), (38789, 205996), (48118, 166058), (51499, 155156), (77578, 102998), (83029, 96236)]