28705330

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 53969328

約数和(自身を除く): 25263998

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 1321, 2173, 2642, 4346, 6605, 10865, 13210, 21730, 54161, 70013, 108322, 140026, 270805, 350065, 541610, 700130, 2870533, 5741066, 14352665, 28705330]

約数ペア:

[(1, 28705330), (2, 14352665), (5, 5741066), (10, 2870533), (41, 700130), (53, 541610), (82, 350065), (106, 270805), (205, 140026), (265, 108322), (410, 70013), (530, 54161), (1321, 21730), (2173, 13210), (2642, 10865), (4346, 6605)]