28981728

素因数分解:

$2^5\times 3^2\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1096

約数の個数: 72

約数和(自身を含む): 83302128

約数和(自身を除く): 54320400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 103, 144, 206, 288, 309, 412, 618, 824, 927, 977, 1236, 1648, 1854, 1954, 2472, 2931, 3296, 3708, 3908, 4944, 5862, 7416, 7816, 8793, 9888, 11724, 14832, 15632, 17586, 23448, 29664, 31264, 35172, 46896, 70344, 93792, 100631, 140688, 201262, 281376, 301893, 402524, 603786, 805048, 905679, 1207572, 1610096, 1811358, 2415144, 3220192, 3622716, 4830288, 7245432, 9660576, 14490864, 28981728]

約数ペア:

[(1, 28981728), (2, 14490864), (3, 9660576), (4, 7245432), (6, 4830288), (8, 3622716), (9, 3220192), (12, 2415144), (16, 1811358), (18, 1610096), (24, 1207572), (32, 905679), (36, 805048), (48, 603786), (72, 402524), (96, 301893), (103, 281376), (144, 201262), (206, 140688), (288, 100631), (309, 93792), (412, 70344), (618, 46896), (824, 35172), (927, 31264), (977, 29664), (1236, 23448), (1648, 17586), (1854, 15632), (1954, 14832), (2472, 11724), (2931, 9888), (3296, 8793), (3708, 7816), (3908, 7416), (4944, 5862)]