28081144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2269}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 68644800

約数和(自身を除く): 40563656

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 2269, 3094, 4538, 6188, 9076, 12376, 15883, 18152, 29497, 31766, 38573, 58994, 63532, 77146, 117988, 127064, 154292, 206479, 235976, 270011, 308584, 412958, 501449, 540022, 825916, 1002898, 1080044, 1651832, 2005796, 2160088, 3510143, 4011592, 7020286, 14040572, 28081144]

約数ペア:

[(1, 28081144), (2, 14040572), (4, 7020286), (7, 4011592), (8, 3510143), (13, 2160088), (14, 2005796), (17, 1651832), (26, 1080044), (28, 1002898), (34, 825916), (52, 540022), (56, 501449), (68, 412958), (91, 308584), (104, 270011), (119, 235976), (136, 206479), (182, 154292), (221, 127064), (238, 117988), (364, 77146), (442, 63532), (476, 58994), (728, 38573), (884, 31766), (952, 29497), (1547, 18152), (1768, 15883), (2269, 12376), (3094, 9076), (4538, 6188)]