72781828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 155675520

約数和(自身を除く): 82893692

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 428, 476, 749, 1429, 1498, 1819, 2858, 2996, 3638, 5716, 7276, 10003, 12733, 20006, 24293, 25466, 40012, 48586, 50932, 97172, 152903, 170051, 305806, 340102, 611612, 680204, 1070321, 2140642, 2599351, 4281284, 5198702, 10397404, 18195457, 36390914, 72781828]

約数ペア:

[(1, 72781828), (2, 36390914), (4, 18195457), (7, 10397404), (14, 5198702), (17, 4281284), (28, 2599351), (34, 2140642), (68, 1070321), (107, 680204), (119, 611612), (214, 340102), (238, 305806), (428, 170051), (476, 152903), (749, 97172), (1429, 50932), (1498, 48586), (1819, 40012), (2858, 25466), (2996, 24293), (3638, 20006), (5716, 12733), (7276, 10003)]