12431276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 25928448

約数和(自身を除く): 13497172

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 211, 286, 412, 422, 572, 844, 1133, 1339, 2266, 2321, 2678, 2743, 4532, 4642, 5356, 5486, 9284, 10972, 14729, 21733, 29458, 30173, 43466, 58916, 60346, 86932, 120692, 239063, 282529, 478126, 565058, 956252, 1130116, 3107819, 6215638, 12431276]

約数ペア:

[(1, 12431276), (2, 6215638), (4, 3107819), (11, 1130116), (13, 956252), (22, 565058), (26, 478126), (44, 282529), (52, 239063), (103, 120692), (143, 86932), (206, 60346), (211, 58916), (286, 43466), (412, 30173), (422, 29458), (572, 21733), (844, 14729), (1133, 10972), (1339, 9284), (2266, 5486), (2321, 5356), (2678, 4642), (2743, 4532)]