247257906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{809}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 597196800

約数和(自身を除く): 349938894

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 383, 399, 766, 798, 809, 1149, 1618, 2298, 2427, 2681, 4854, 5362, 5663, 7277, 8043, 11326, 14554, 15371, 16086, 16989, 21831, 30742, 33978, 43662, 46113, 50939, 92226, 101878, 107597, 152817, 215194, 305634, 309847, 322791, 619694, 645582, 929541, 1859082, 2168929, 4337858, 5887093, 6506787, 11774186, 13013574, 17661279, 35322558, 41209651, 82419302, 123628953, 247257906]

約数ペア:

[(1, 247257906), (2, 123628953), (3, 82419302), (6, 41209651), (7, 35322558), (14, 17661279), (19, 13013574), (21, 11774186), (38, 6506787), (42, 5887093), (57, 4337858), (114, 2168929), (133, 1859082), (266, 929541), (383, 645582), (399, 619694), (766, 322791), (798, 309847), (809, 305634), (1149, 215194), (1618, 152817), (2298, 107597), (2427, 101878), (2681, 92226), (4854, 50939), (5362, 46113), (5663, 43662), (7277, 33978), (8043, 30742), (11326, 21831), (14554, 16989), (15371, 16086)]