1291212972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{821}}^1$

素因数の和:996

約数の個数: 108

約数和(自身を含む): 3782587536

約数和(自身を除く): 2491374564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 821, 948, 1106, 1422, 1642, 1659, 2212, 2463, 2844, 3284, 3318, 4926, 4977, 5747, 6241, 6636, 7389, 9852, 9954, 11494, 12482, 14778, 17241, 18723, 19908, 22988, 24964, 29556, 34482, 37446, 43687, 51723, 56169, 64859, 68964, 74892, 87374, 103446, 112338, 129718, 131061, 174748, 194577, 206892, 224676, 259436, 262122, 389154, 393183, 454013, 524244, 583731, 778308, 786366, 908026, 1167462, 1362039, 1572732, 1816052, 2334924, 2724078, 4086117, 5123861, 5448156, 8172234, 10247722, 15371583, 16344468, 20495444, 30743166, 35867027, 46114749, 61486332, 71734054, 92229498, 107601081, 143468108, 184458996, 215202162, 322803243, 430404324, 645606486, 1291212972]

約数ペア:

[(1, 1291212972), (2, 645606486), (3, 430404324), (4, 322803243), (6, 215202162), (7, 184458996), (9, 143468108), (12, 107601081), (14, 92229498), (18, 71734054), (21, 61486332), (28, 46114749), (36, 35867027), (42, 30743166), (63, 20495444), (79, 16344468), (84, 15371583), (126, 10247722), (158, 8172234), (237, 5448156), (252, 5123861), (316, 4086117), (474, 2724078), (553, 2334924), (711, 1816052), (821, 1572732), (948, 1362039), (1106, 1167462), (1422, 908026), (1642, 786366), (1659, 778308), (2212, 583731), (2463, 524244), (2844, 454013), (3284, 393183), (3318, 389154), (4926, 262122), (4977, 259436), (5747, 224676), (6241, 206892), (6636, 194577), (7389, 174748), (9852, 131061), (9954, 129718), (11494, 112338), (12482, 103446), (14778, 87374), (17241, 74892), (18723, 68964), (19908, 64859), (22988, 56169), (24964, 51723), (29556, 43687), (34482, 37446)]