61640696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 127460760

約数和(自身を除く): 65820064

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 211, 212, 422, 424, 689, 844, 1378, 1688, 2743, 2756, 2809, 5486, 5512, 5618, 10972, 11183, 11236, 21944, 22366, 22472, 36517, 44732, 73034, 89464, 145379, 146068, 290758, 292136, 581516, 592699, 1163032, 1185398, 2370796, 4741592, 7705087, 15410174, 30820348, 61640696]

約数ペア:

[(1, 61640696), (2, 30820348), (4, 15410174), (8, 7705087), (13, 4741592), (26, 2370796), (52, 1185398), (53, 1163032), (104, 592699), (106, 581516), (211, 292136), (212, 290758), (422, 146068), (424, 145379), (689, 89464), (844, 73034), (1378, 44732), (1688, 36517), (2743, 22472), (2756, 22366), (2809, 21944), (5486, 11236), (5512, 11183), (5618, 10972)]