287678916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 860461056

約数和(自身を除く): 572782140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 107, 126, 141, 188, 214, 227, 252, 282, 321, 329, 423, 428, 454, 564, 642, 658, 681, 749, 846, 908, 963, 987, 1284, 1316, 1362, 1498, 1589, 1692, 1926, 1974, 2043, 2247, 2724, 2961, 2996, 3178, 3852, 3948, 4086, 4494, 4767, 5029, 5922, 6356, 6741, 8172, 8988, 9534, 10058, 10669, 11844, 13482, 14301, 15087, 19068, 20116, 21338, 24289, 26964, 28602, 30174, 32007, 35203, 42676, 45261, 48578, 57204, 60348, 64014, 70406, 72867, 74683, 90522, 96021, 97156, 105609, 128028, 140812, 145734, 149366, 170023, 181044, 192042, 211218, 218601, 224049, 291468, 298732, 316827, 340046, 384084, 422436, 437202, 448098, 510069, 633654, 672147, 680092, 874404, 896196, 1020138, 1141583, 1267308, 1344294, 1530207, 2040276, 2283166, 2688588, 3060414, 3424749, 4566332, 6120828, 6849498, 7991081, 10274247, 13698996, 15982162, 20548494, 23973243, 31964324, 41096988, 47946486, 71919729, 95892972, 143839458, 287678916]

約数ペア:

[(1, 287678916), (2, 143839458), (3, 95892972), (4, 71919729), (6, 47946486), (7, 41096988), (9, 31964324), (12, 23973243), (14, 20548494), (18, 15982162), (21, 13698996), (28, 10274247), (36, 7991081), (42, 6849498), (47, 6120828), (63, 4566332), (84, 3424749), (94, 3060414), (107, 2688588), (126, 2283166), (141, 2040276), (188, 1530207), (214, 1344294), (227, 1267308), (252, 1141583), (282, 1020138), (321, 896196), (329, 874404), (423, 680092), (428, 672147), (454, 633654), (564, 510069), (642, 448098), (658, 437202), (681, 422436), (749, 384084), (846, 340046), (908, 316827), (963, 298732), (987, 291468), (1284, 224049), (1316, 218601), (1362, 211218), (1498, 192042), (1589, 181044), (1692, 170023), (1926, 149366), (1974, 145734), (2043, 140812), (2247, 128028), (2724, 105609), (2961, 97156), (2996, 96021), (3178, 90522), (3852, 74683), (3948, 72867), (4086, 70406), (4494, 64014), (4767, 60348), (5029, 57204), (5922, 48578), (6356, 45261), (6741, 42676), (8172, 35203), (8988, 32007), (9534, 30174), (10058, 28602), (10669, 26964), (11844, 24289), (13482, 21338), (14301, 20116), (15087, 19068)]