395147935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 619960320

約数和(自身を除く): 224812385

約数列:

[1, 5, 7, 13, 23, 35, 61, 65, 91, 115, 161, 299, 305, 427, 455, 619, 793, 805, 1403, 1495, 2093, 2135, 3095, 3965, 4333, 5551, 7015, 8047, 9821, 10465, 14237, 18239, 21665, 27755, 37759, 40235, 49105, 56329, 71185, 91195, 99659, 127673, 185081, 188795, 264313, 281645, 490867, 498295, 638365, 868457, 925405, 1295567, 1321565, 2454335, 3436069, 4342285, 6079199, 6477835, 11289941, 17180345, 30395995, 56449705, 79029587, 395147935]

約数ペア:

[(1, 395147935), (5, 79029587), (7, 56449705), (13, 30395995), (23, 17180345), (35, 11289941), (61, 6477835), (65, 6079199), (91, 4342285), (115, 3436069), (161, 2454335), (299, 1321565), (305, 1295567), (427, 925405), (455, 868457), (619, 638365), (793, 498295), (805, 490867), (1403, 281645), (1495, 264313), (2093, 188795), (2135, 185081), (3095, 127673), (3965, 99659), (4333, 91195), (5551, 71185), (7015, 56329), (8047, 49105), (9821, 40235), (10465, 37759), (14237, 27755), (18239, 21665)]