277004065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 397393920

約数和(自身を除く): 120389855

約数列:

[1, 5, 13, 23, 31, 43, 65, 115, 139, 155, 215, 299, 403, 559, 695, 713, 989, 1333, 1495, 1807, 2015, 2795, 3197, 3565, 4309, 4945, 5977, 6665, 9035, 9269, 12857, 15985, 17329, 21545, 29885, 30659, 41561, 46345, 56017, 64285, 77701, 86645, 99107, 137471, 153295, 185287, 207805, 280085, 388505, 398567, 495535, 687355, 926435, 1288391, 1787123, 1992835, 2408731, 4261601, 6441955, 8935615, 12043655, 21308005, 55400813, 277004065]

約数ペア:

[(1, 277004065), (5, 55400813), (13, 21308005), (23, 12043655), (31, 8935615), (43, 6441955), (65, 4261601), (115, 2408731), (139, 1992835), (155, 1787123), (215, 1288391), (299, 926435), (403, 687355), (559, 495535), (695, 398567), (713, 388505), (989, 280085), (1333, 207805), (1495, 185287), (1807, 153295), (2015, 137471), (2795, 99107), (3197, 86645), (3565, 77701), (4309, 64285), (4945, 56017), (5977, 46345), (6665, 41561), (9035, 30659), (9269, 29885), (12857, 21545), (15985, 17329)]