217793436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{631}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 593099136

約数和(自身を除く): 375305700

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 587, 588, 631, 1174, 1262, 1761, 1893, 2348, 2524, 3522, 3786, 4109, 4417, 7044, 7572, 8218, 8834, 12327, 13251, 16436, 17668, 24654, 26502, 28763, 30919, 49308, 53004, 57526, 61838, 86289, 92757, 115052, 123676, 172578, 185514, 345156, 370397, 371028, 740794, 1111191, 1481588, 2222382, 2592779, 4444764, 5185558, 7778337, 10371116, 15556674, 18149453, 31113348, 36298906, 54448359, 72597812, 108896718, 217793436]

約数ペア:

[(1, 217793436), (2, 108896718), (3, 72597812), (4, 54448359), (6, 36298906), (7, 31113348), (12, 18149453), (14, 15556674), (21, 10371116), (28, 7778337), (42, 5185558), (49, 4444764), (84, 2592779), (98, 2222382), (147, 1481588), (196, 1111191), (294, 740794), (587, 371028), (588, 370397), (631, 345156), (1174, 185514), (1262, 172578), (1761, 123676), (1893, 115052), (2348, 92757), (2524, 86289), (3522, 61838), (3786, 57526), (4109, 53004), (4417, 49308), (7044, 30919), (7572, 28763), (8218, 26502), (8834, 24654), (12327, 17668), (13251, 16436)]