388204537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2239}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 495452160

約数和(自身を除く): 107247623

約数列:

[1, 7, 17, 31, 47, 119, 217, 329, 527, 799, 1457, 2239, 3689, 5593, 10199, 15673, 24769, 38063, 69409, 105233, 173383, 266441, 485863, 736631, 1179953, 1788961, 3262223, 8259671, 12522727, 22835561, 55457791, 388204537]

約数ペア:

[(1, 388204537), (7, 55457791), (17, 22835561), (31, 12522727), (47, 8259671), (119, 3262223), (217, 1788961), (329, 1179953), (527, 736631), (799, 485863), (1457, 266441), (2239, 173383), (3689, 105233), (5593, 69409), (10199, 38063), (15673, 24769)]