71440516

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 146712832

約数和(自身を除く): 75272316

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 151, 244, 277, 302, 427, 554, 604, 854, 1057, 1108, 1708, 1939, 2114, 3878, 4228, 7756, 9211, 16897, 18422, 33794, 36844, 41827, 64477, 67588, 83654, 118279, 128954, 167308, 236558, 257908, 292789, 473116, 585578, 1171156, 2551447, 5102894, 10205788, 17860129, 35720258, 71440516]

約数ペア:

[(1, 71440516), (2, 35720258), (4, 17860129), (7, 10205788), (14, 5102894), (28, 2551447), (61, 1171156), (122, 585578), (151, 473116), (244, 292789), (277, 257908), (302, 236558), (427, 167308), (554, 128954), (604, 118279), (854, 83654), (1057, 67588), (1108, 64477), (1708, 41827), (1939, 36844), (2114, 33794), (3878, 18422), (4228, 16897), (7756, 9211)]