28121236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 58339008

約数和(自身を除く): 30217772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 211, 233, 286, 422, 466, 572, 844, 932, 2321, 2563, 2743, 3029, 4642, 5126, 5486, 6058, 9284, 10252, 10972, 12116, 30173, 33319, 49163, 60346, 66638, 98326, 120692, 133276, 196652, 540793, 639119, 1081586, 1278238, 2163172, 2556476, 7030309, 14060618, 28121236]

約数ペア:

[(1, 28121236), (2, 14060618), (4, 7030309), (11, 2556476), (13, 2163172), (22, 1278238), (26, 1081586), (44, 639119), (52, 540793), (143, 196652), (211, 133276), (233, 120692), (286, 98326), (422, 66638), (466, 60346), (572, 49163), (844, 33319), (932, 30173), (2321, 12116), (2563, 10972), (2743, 10252), (3029, 9284), (4642, 6058), (5126, 5486)]