388627408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{60271}}^1$

素因数の和:60323

約数の個数: 40

約数和(自身を含む): 837057536

約数和(自身を除く): 448430128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 60271, 120542, 241084, 482168, 783523, 964336, 1567046, 1868401, 3134092, 3736802, 6268184, 7473604, 12536368, 14947208, 24289213, 29894416, 48578426, 97156852, 194313704, 388627408]

約数ペア:

[(1, 388627408), (2, 194313704), (4, 97156852), (8, 48578426), (13, 29894416), (16, 24289213), (26, 14947208), (31, 12536368), (52, 7473604), (62, 6268184), (104, 3736802), (124, 3134092), (208, 1868401), (248, 1567046), (403, 964336), (496, 783523), (806, 482168), (1612, 241084), (3224, 120542), (6448, 60271)]