2978388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 8805888

約数和(自身を除く): 5827500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 223, 252, 318, 371, 446, 477, 636, 669, 742, 892, 954, 1113, 1338, 1484, 1561, 1908, 2007, 2226, 2676, 3122, 3339, 4014, 4452, 4683, 6244, 6678, 8028, 9366, 11819, 13356, 14049, 18732, 23638, 28098, 35457, 47276, 56196, 70914, 82733, 106371, 141828, 165466, 212742, 248199, 330932, 425484, 496398, 744597, 992796, 1489194, 2978388]

約数ペア:

[(1, 2978388), (2, 1489194), (3, 992796), (4, 744597), (6, 496398), (7, 425484), (9, 330932), (12, 248199), (14, 212742), (18, 165466), (21, 141828), (28, 106371), (36, 82733), (42, 70914), (53, 56196), (63, 47276), (84, 35457), (106, 28098), (126, 23638), (159, 18732), (212, 14049), (223, 13356), (252, 11819), (318, 9366), (371, 8028), (446, 6678), (477, 6244), (636, 4683), (669, 4452), (742, 4014), (892, 3339), (954, 3122), (1113, 2676), (1338, 2226), (1484, 2007), (1561, 1908)]