16491673856

素因数分解:

$2^8\times 7^1\times {\mathrm{461}}^1\times {\mathrm{19963}}^1$

素因数の和:20447

約数の個数: 72

約数和(自身を含む): 37705128384

約数和(自身を除く): 21213454528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 461, 896, 922, 1792, 1844, 3227, 3688, 6454, 7376, 12908, 14752, 19963, 25816, 29504, 39926, 51632, 59008, 79852, 103264, 118016, 139741, 159704, 206528, 279482, 319408, 413056, 558964, 638816, 826112, 1117928, 1277632, 2235856, 2555264, 4471712, 5110528, 8943424, 9202943, 17886848, 18405886, 35773696, 36811772, 64420601, 73623544, 128841202, 147247088, 257682404, 294494176, 515364808, 588988352, 1030729616, 1177976704, 2061459232, 2355953408, 4122918464, 8245836928, 16491673856]

約数ペア:

[(1, 16491673856), (2, 8245836928), (4, 4122918464), (7, 2355953408), (8, 2061459232), (14, 1177976704), (16, 1030729616), (28, 588988352), (32, 515364808), (56, 294494176), (64, 257682404), (112, 147247088), (128, 128841202), (224, 73623544), (256, 64420601), (448, 36811772), (461, 35773696), (896, 18405886), (922, 17886848), (1792, 9202943), (1844, 8943424), (3227, 5110528), (3688, 4471712), (6454, 2555264), (7376, 2235856), (12908, 1277632), (14752, 1117928), (19963, 826112), (25816, 638816), (29504, 558964), (39926, 413056), (51632, 319408), (59008, 279482), (79852, 206528), (103264, 159704), (118016, 139741)]