221830648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 462470400

約数和(自身を除く): 240639752

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 73, 104, 122, 146, 244, 292, 479, 488, 584, 793, 949, 958, 1586, 1898, 1916, 3172, 3796, 3832, 4453, 6227, 6344, 7592, 8906, 12454, 17812, 24908, 29219, 34967, 35624, 49816, 57889, 58438, 69934, 115778, 116876, 139868, 231556, 233752, 279736, 379847, 454571, 463112, 759694, 909142, 1519388, 1818284, 2132987, 3038776, 3636568, 4265974, 8531948, 17063896, 27728831, 55457662, 110915324, 221830648]

約数ペア:

[(1, 221830648), (2, 110915324), (4, 55457662), (8, 27728831), (13, 17063896), (26, 8531948), (52, 4265974), (61, 3636568), (73, 3038776), (104, 2132987), (122, 1818284), (146, 1519388), (244, 909142), (292, 759694), (479, 463112), (488, 454571), (584, 379847), (793, 279736), (949, 233752), (958, 231556), (1586, 139868), (1898, 116876), (1916, 115778), (3172, 69934), (3796, 58438), (3832, 57889), (4453, 49816), (6227, 35624), (6344, 34967), (7592, 29219), (8906, 24908), (12454, 17812)]