1405202008

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{31723}}^1$

素因数の和:31856

約数の個数: 48

約数和(自身を含む): 3092138280

約数和(自身を除く): 1686936272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 452, 791, 904, 1582, 3164, 5537, 6328, 11074, 22148, 31723, 44296, 63446, 126892, 222061, 253784, 444122, 888244, 1554427, 1776488, 3108854, 3584699, 6217708, 7169398, 12435416, 14338796, 25092893, 28677592, 50185786, 100371572, 175650251, 200743144, 351300502, 702601004, 1405202008]

約数ペア:

[(1, 1405202008), (2, 702601004), (4, 351300502), (7, 200743144), (8, 175650251), (14, 100371572), (28, 50185786), (49, 28677592), (56, 25092893), (98, 14338796), (113, 12435416), (196, 7169398), (226, 6217708), (392, 3584699), (452, 3108854), (791, 1776488), (904, 1554427), (1582, 888244), (3164, 444122), (5537, 253784), (6328, 222061), (11074, 126892), (22148, 63446), (31723, 44296)]