28831208

素因数分解:

$2^3\times 7^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 67224000

約数和(自身を除く): 38392792

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 79, 98, 133, 152, 158, 196, 266, 316, 343, 392, 532, 553, 632, 686, 931, 1064, 1106, 1372, 1501, 1862, 2212, 2401, 2744, 3002, 3724, 3871, 4424, 4802, 6004, 6517, 7448, 7742, 9604, 10507, 12008, 13034, 15484, 19208, 21014, 26068, 27097, 30968, 42028, 45619, 52136, 54194, 73549, 84056, 91238, 108388, 147098, 182476, 189679, 216776, 294196, 364952, 379358, 514843, 588392, 758716, 1029686, 1517432, 2059372, 3603901, 4118744, 7207802, 14415604, 28831208]

約数ペア:

[(1, 28831208), (2, 14415604), (4, 7207802), (7, 4118744), (8, 3603901), (14, 2059372), (19, 1517432), (28, 1029686), (38, 758716), (49, 588392), (56, 514843), (76, 379358), (79, 364952), (98, 294196), (133, 216776), (152, 189679), (158, 182476), (196, 147098), (266, 108388), (316, 91238), (343, 84056), (392, 73549), (532, 54194), (553, 52136), (632, 45619), (686, 42028), (931, 30968), (1064, 27097), (1106, 26068), (1372, 21014), (1501, 19208), (1862, 15484), (2212, 13034), (2401, 12008), (2744, 10507), (3002, 9604), (3724, 7742), (3871, 7448), (4424, 6517), (4802, 6004)]