28788890065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{13037}}^1$

素因数の和:13749

約数の個数: 32

約数和(自身を含む): 37968116256

約数和(自身を除く): 9179226191

約数列:

[1, 5, 13, 53, 65, 265, 641, 689, 3205, 3445, 8333, 13037, 33973, 41665, 65185, 169481, 169865, 441649, 690961, 847405, 2208245, 3454805, 8356717, 8982493, 41783585, 44912465, 108637321, 442906001, 543186605, 2214530005, 5757778013, 28788890065]

約数ペア:

[(1, 28788890065), (5, 5757778013), (13, 2214530005), (53, 543186605), (65, 442906001), (265, 108637321), (641, 44912465), (689, 41783585), (3205, 8982493), (3445, 8356717), (8333, 3454805), (13037, 2208245), (33973, 847405), (41665, 690961), (65185, 441649), (169481, 169865)]