398906144

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{136987}}^1$

素因数の和:137017

約数の個数: 48

約数和(自身を含む): 966587328

約数和(自身を除く): 567681184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 136987, 273974, 547948, 958909, 1095896, 1780831, 1917818, 2191792, 3561662, 3835636, 4383584, 7123324, 7671272, 12465817, 14246648, 15342544, 24931634, 28493296, 30685088, 49863268, 56986592, 99726536, 199453072, 398906144]

約数ペア:

[(1, 398906144), (2, 199453072), (4, 99726536), (7, 56986592), (8, 49863268), (13, 30685088), (14, 28493296), (16, 24931634), (26, 15342544), (28, 14246648), (32, 12465817), (52, 7671272), (56, 7123324), (91, 4383584), (104, 3835636), (112, 3561662), (182, 2191792), (208, 1917818), (224, 1780831), (364, 1095896), (416, 958909), (728, 547948), (1456, 273974), (2912, 136987)]