647335876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 1254113280

約数和(自身を除く): 606777404

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 359, 383, 428, 718, 766, 1177, 1436, 1532, 2354, 3949, 4213, 4708, 7898, 8426, 15796, 16852, 38413, 40981, 76826, 81962, 137497, 153652, 163924, 274994, 422543, 450791, 549988, 845086, 901582, 1512467, 1690172, 1803164, 3024934, 6049868, 14712179, 29424358, 58848716, 161833969, 323667938, 647335876]

約数ペア:

[(1, 647335876), (2, 323667938), (4, 161833969), (11, 58848716), (22, 29424358), (44, 14712179), (107, 6049868), (214, 3024934), (359, 1803164), (383, 1690172), (428, 1512467), (718, 901582), (766, 845086), (1177, 549988), (1436, 450791), (1532, 422543), (2354, 274994), (3949, 163924), (4213, 153652), (4708, 137497), (7898, 81962), (8426, 76826), (15796, 40981), (16852, 38413)]