381001088

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2267}}^1$

素因数の和:2395

約数の個数: 64

約数和(自身を含む): 825869520

約数和(自身を除く): 444868432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 202, 208, 404, 416, 808, 832, 1313, 1616, 1664, 2267, 2626, 3232, 4534, 5252, 6464, 9068, 10504, 12928, 18136, 21008, 29471, 36272, 42016, 58942, 72544, 84032, 117884, 145088, 168064, 228967, 235768, 290176, 457934, 471536, 915868, 943072, 1831736, 1886144, 2976571, 3663472, 3772288, 5953142, 7326944, 11906284, 14653888, 23812568, 29307776, 47625136, 95250272, 190500544, 381001088]

約数ペア:

[(1, 381001088), (2, 190500544), (4, 95250272), (8, 47625136), (13, 29307776), (16, 23812568), (26, 14653888), (32, 11906284), (52, 7326944), (64, 5953142), (101, 3772288), (104, 3663472), (128, 2976571), (202, 1886144), (208, 1831736), (404, 943072), (416, 915868), (808, 471536), (832, 457934), (1313, 290176), (1616, 235768), (1664, 228967), (2267, 168064), (2626, 145088), (3232, 117884), (4534, 84032), (5252, 72544), (6464, 58942), (9068, 42016), (10504, 36272), (12928, 29471), (18136, 21008)]