25788776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 56716800

約数和(自身を除く): 30928024

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 421, 494, 589, 806, 842, 988, 1178, 1612, 1684, 1976, 2356, 3224, 3368, 4712, 5473, 7657, 7999, 10946, 13051, 15314, 15998, 21892, 26102, 30628, 31996, 43784, 52204, 61256, 63992, 103987, 104408, 169663, 207974, 247969, 339326, 415948, 495938, 678652, 831896, 991876, 1357304, 1983752, 3223597, 6447194, 12894388, 25788776]

約数ペア:

[(1, 25788776), (2, 12894388), (4, 6447194), (8, 3223597), (13, 1983752), (19, 1357304), (26, 991876), (31, 831896), (38, 678652), (52, 495938), (62, 415948), (76, 339326), (104, 247969), (124, 207974), (152, 169663), (247, 104408), (248, 103987), (403, 63992), (421, 61256), (494, 52204), (589, 43784), (806, 31996), (842, 30628), (988, 26102), (1178, 21892), (1612, 15998), (1684, 15314), (1976, 13051), (2356, 10946), (3224, 7999), (3368, 7657), (4712, 5473)]