821570204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 1817550336

約数和(自身を除く): 995980132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 163, 182, 227, 244, 326, 364, 427, 454, 652, 793, 854, 908, 1141, 1586, 1589, 1708, 2119, 2282, 2951, 3172, 3178, 4238, 4564, 5551, 5902, 6356, 8476, 9943, 11102, 11804, 13847, 14833, 19886, 20657, 22204, 27694, 29666, 37001, 39772, 41314, 55388, 59332, 69601, 74002, 82628, 96929, 129259, 139202, 148004, 180011, 193858, 258518, 259007, 278404, 360022, 387716, 481013, 517036, 518014, 720044, 904813, 962026, 1036028, 1260077, 1809626, 1924052, 2257061, 2520154, 3367091, 3619252, 4514122, 5040308, 6734182, 9028244, 13468364, 15799427, 29341793, 31598854, 58683586, 63197708, 117367172, 205392551, 410785102, 821570204]

約数ペア:

[(1, 821570204), (2, 410785102), (4, 205392551), (7, 117367172), (13, 63197708), (14, 58683586), (26, 31598854), (28, 29341793), (52, 15799427), (61, 13468364), (91, 9028244), (122, 6734182), (163, 5040308), (182, 4514122), (227, 3619252), (244, 3367091), (326, 2520154), (364, 2257061), (427, 1924052), (454, 1809626), (652, 1260077), (793, 1036028), (854, 962026), (908, 904813), (1141, 720044), (1586, 518014), (1589, 517036), (1708, 481013), (2119, 387716), (2282, 360022), (2951, 278404), (3172, 259007), (3178, 258518), (4238, 193858), (4564, 180011), (5551, 148004), (5902, 139202), (6356, 129259), (8476, 96929), (9943, 82628), (11102, 74002), (11804, 69601), (13847, 59332), (14833, 55388), (19886, 41314), (20657, 39772), (22204, 37001), (27694, 29666)]