85318665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 67961847

約数列:

[1, 3, 5, 15, 17, 31, 43, 51, 85, 93, 129, 155, 215, 251, 255, 465, 527, 645, 731, 753, 1255, 1333, 1581, 2193, 2635, 3655, 3765, 3999, 4267, 6665, 7781, 7905, 10793, 10965, 12801, 19995, 21335, 22661, 23343, 32379, 38905, 53965, 64005, 67983, 113305, 116715, 132277, 161895, 183481, 334583, 339915, 396831, 550443, 661385, 917405, 1003749, 1672915, 1984155, 2752215, 5018745, 5687911, 17063733, 28439555, 85318665]

約数ペア:

[(1, 85318665), (3, 28439555), (5, 17063733), (15, 5687911), (17, 5018745), (31, 2752215), (43, 1984155), (51, 1672915), (85, 1003749), (93, 917405), (129, 661385), (155, 550443), (215, 396831), (251, 339915), (255, 334583), (465, 183481), (527, 161895), (645, 132277), (731, 116715), (753, 113305), (1255, 67983), (1333, 64005), (1581, 53965), (2193, 38905), (2635, 32379), (3655, 23343), (3765, 22661), (3999, 21335), (4267, 19995), (6665, 12801), (7781, 10965), (7905, 10793)]