38989976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 43954024

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 79, 136, 152, 158, 191, 316, 323, 382, 632, 646, 764, 1292, 1343, 1501, 1528, 2584, 2686, 3002, 3247, 3629, 5372, 6004, 6494, 7258, 10744, 12008, 12988, 14516, 15089, 25517, 25976, 29032, 30178, 51034, 60356, 61693, 102068, 120712, 123386, 204136, 246772, 256513, 286691, 493544, 513026, 573382, 1026052, 1146764, 2052104, 2293528, 4873747, 9747494, 19494988, 38989976]

約数ペア:

[(1, 38989976), (2, 19494988), (4, 9747494), (8, 4873747), (17, 2293528), (19, 2052104), (34, 1146764), (38, 1026052), (68, 573382), (76, 513026), (79, 493544), (136, 286691), (152, 256513), (158, 246772), (191, 204136), (316, 123386), (323, 120712), (382, 102068), (632, 61693), (646, 60356), (764, 51034), (1292, 30178), (1343, 29032), (1501, 25976), (1528, 25517), (2584, 15089), (2686, 14516), (3002, 12988), (3247, 12008), (3629, 10744), (5372, 7258), (6004, 6494)]