30820348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 59481688

約数和(自身を除く): 28661340

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 211, 212, 422, 689, 844, 1378, 2743, 2756, 2809, 5486, 5618, 10972, 11183, 11236, 22366, 36517, 44732, 73034, 145379, 146068, 290758, 581516, 592699, 1185398, 2370796, 7705087, 15410174, 30820348]

約数ペア:

[(1, 30820348), (2, 15410174), (4, 7705087), (13, 2370796), (26, 1185398), (52, 592699), (53, 581516), (106, 290758), (211, 146068), (212, 145379), (422, 73034), (689, 44732), (844, 36517), (1378, 22366), (2743, 11236), (2756, 11183), (2809, 10972), (5486, 5618)]