211674575

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 309980160

約数和(自身を除く): 98305585

約数列:

[1, 5, 7, 25, 35, 61, 79, 175, 251, 305, 395, 427, 553, 1255, 1525, 1757, 1975, 2135, 2765, 4819, 6275, 8785, 10675, 13825, 15311, 19829, 24095, 33733, 43925, 76555, 99145, 107177, 120475, 138803, 168665, 382775, 495725, 535885, 694015, 843325, 1209569, 2679425, 3470075, 6047845, 8466983, 30239225, 42334915, 211674575]

約数ペア:

[(1, 211674575), (5, 42334915), (7, 30239225), (25, 8466983), (35, 6047845), (61, 3470075), (79, 2679425), (175, 1209569), (251, 843325), (305, 694015), (395, 535885), (427, 495725), (553, 382775), (1255, 168665), (1525, 138803), (1757, 120475), (1975, 107177), (2135, 99145), (2765, 76555), (4819, 43925), (6275, 33733), (8785, 24095), (10675, 19829), (13825, 15311)]