321615808

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:222

約数の個数: 84

約数和(自身を含む): 691670448

約数和(自身を除く): 370054640

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 73, 82, 92, 146, 164, 184, 292, 328, 368, 584, 656, 736, 943, 1168, 1312, 1472, 1679, 1886, 2336, 2624, 2993, 3358, 3772, 4672, 5329, 5986, 6716, 7544, 10658, 11972, 13432, 15088, 21316, 23944, 26864, 30176, 42632, 47888, 53728, 60352, 68839, 85264, 95776, 107456, 122567, 137678, 170528, 191552, 218489, 245134, 275356, 341056, 436978, 490268, 550712, 873956, 980536, 1101424, 1747912, 1961072, 2202848, 3495824, 3922144, 4405696, 5025247, 6991648, 7844288, 10050494, 13983296, 20100988, 40201976, 80403952, 160807904, 321615808]

約数ペア:

[(1, 321615808), (2, 160807904), (4, 80403952), (8, 40201976), (16, 20100988), (23, 13983296), (32, 10050494), (41, 7844288), (46, 6991648), (64, 5025247), (73, 4405696), (82, 3922144), (92, 3495824), (146, 2202848), (164, 1961072), (184, 1747912), (292, 1101424), (328, 980536), (368, 873956), (584, 550712), (656, 490268), (736, 436978), (943, 341056), (1168, 275356), (1312, 245134), (1472, 218489), (1679, 191552), (1886, 170528), (2336, 137678), (2624, 122567), (2993, 107456), (3358, 95776), (3772, 85264), (4672, 68839), (5329, 60352), (5986, 53728), (6716, 47888), (7544, 42632), (10658, 30176), (11972, 26864), (13432, 23944), (15088, 21316)]