28708914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 64060416

約数和(自身を除く): 35351502

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 383, 403, 766, 806, 961, 1149, 1209, 1922, 2298, 2418, 2883, 4979, 5766, 9958, 11873, 12493, 14937, 23746, 24986, 29874, 35619, 37479, 71238, 74958, 154349, 308698, 368063, 463047, 736126, 926094, 1104189, 2208378, 4784819, 9569638, 14354457, 28708914]

約数ペア:

[(1, 28708914), (2, 14354457), (3, 9569638), (6, 4784819), (13, 2208378), (26, 1104189), (31, 926094), (39, 736126), (62, 463047), (78, 368063), (93, 308698), (186, 154349), (383, 74958), (403, 71238), (766, 37479), (806, 35619), (961, 29874), (1149, 24986), (1209, 23746), (1922, 14937), (2298, 12493), (2418, 11873), (2883, 9958), (4979, 5766)]