1387903244

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4289}}^1$

素因数の和:4447

約数の個数: 72

約数和(自身を含む): 3067384320

約数和(自身を除く): 1679481076

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 254, 364, 508, 637, 889, 1274, 1651, 1778, 2548, 3302, 3556, 4289, 6223, 6604, 8578, 11557, 12446, 17156, 23114, 24892, 30023, 46228, 55757, 60046, 80899, 111514, 120092, 161798, 210161, 223028, 323596, 390299, 420322, 544703, 780598, 840644, 1089406, 1561196, 2178812, 2732093, 3812921, 5464186, 7081139, 7625842, 10928372, 14162278, 15251684, 26690447, 28324556, 49567973, 53380894, 99135946, 106761788, 198271892, 346975811, 693951622, 1387903244]

約数ペア:

[(1, 1387903244), (2, 693951622), (4, 346975811), (7, 198271892), (13, 106761788), (14, 99135946), (26, 53380894), (28, 49567973), (49, 28324556), (52, 26690447), (91, 15251684), (98, 14162278), (127, 10928372), (182, 7625842), (196, 7081139), (254, 5464186), (364, 3812921), (508, 2732093), (637, 2178812), (889, 1561196), (1274, 1089406), (1651, 840644), (1778, 780598), (2548, 544703), (3302, 420322), (3556, 390299), (4289, 323596), (6223, 223028), (6604, 210161), (8578, 161798), (11557, 120092), (12446, 111514), (17156, 80899), (23114, 60046), (24892, 55757), (30023, 46228)]