217165004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 472023552

約数和(自身を除く): 254858548

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 289, 329, 476, 571, 578, 658, 799, 1142, 1156, 1316, 1598, 2023, 2284, 3196, 3997, 4046, 5593, 7994, 8092, 9707, 11186, 13583, 15988, 19414, 22372, 26837, 27166, 38828, 53674, 54332, 67949, 95081, 107348, 135898, 165019, 187859, 190162, 271796, 330038, 375718, 380324, 456229, 660076, 751436, 912458, 1155133, 1824916, 2310266, 3193603, 4620532, 6387206, 7755893, 12774412, 15511786, 31023572, 54291251, 108582502, 217165004]

約数ペア:

[(1, 217165004), (2, 108582502), (4, 54291251), (7, 31023572), (14, 15511786), (17, 12774412), (28, 7755893), (34, 6387206), (47, 4620532), (68, 3193603), (94, 2310266), (119, 1824916), (188, 1155133), (238, 912458), (289, 751436), (329, 660076), (476, 456229), (571, 380324), (578, 375718), (658, 330038), (799, 271796), (1142, 190162), (1156, 187859), (1316, 165019), (1598, 135898), (2023, 107348), (2284, 95081), (3196, 67949), (3997, 54332), (4046, 53674), (5593, 38828), (7994, 27166), (8092, 26837), (9707, 22372), (11186, 19414), (13583, 15988)]