15991122

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 39859200

約数和(自身を除く): 23868078

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 691, 798, 1102, 1218, 1382, 1653, 2073, 3306, 3857, 4146, 4837, 7714, 9674, 11571, 13129, 14511, 20039, 23142, 26258, 29022, 39387, 40078, 60117, 78774, 91903, 120234, 140273, 183806, 275709, 280546, 380741, 420819, 551418, 761482, 841638, 1142223, 2284446, 2665187, 5330374, 7995561, 15991122]

約数ペア:

[(1, 15991122), (2, 7995561), (3, 5330374), (6, 2665187), (7, 2284446), (14, 1142223), (19, 841638), (21, 761482), (29, 551418), (38, 420819), (42, 380741), (57, 280546), (58, 275709), (87, 183806), (114, 140273), (133, 120234), (174, 91903), (203, 78774), (266, 60117), (399, 40078), (406, 39387), (551, 29022), (609, 26258), (691, 23142), (798, 20039), (1102, 14511), (1218, 13129), (1382, 11571), (1653, 9674), (2073, 7714), (3306, 4837), (3857, 4146)]