28783664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 41336848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 373, 424, 689, 728, 742, 746, 848, 1378, 1456, 1484, 1492, 2611, 2756, 2968, 2984, 4823, 4849, 5222, 5512, 5936, 5968, 9646, 9698, 10444, 11024, 19292, 19396, 19769, 20888, 33943, 38584, 38792, 39538, 41776, 67886, 77168, 77584, 79076, 135772, 138383, 158152, 256997, 271544, 276766, 316304, 513994, 543088, 553532, 1027988, 1107064, 1798979, 2055976, 2214128, 3597958, 4111952, 7195916, 14391832, 28783664]

約数ペア:

[(1, 28783664), (2, 14391832), (4, 7195916), (7, 4111952), (8, 3597958), (13, 2214128), (14, 2055976), (16, 1798979), (26, 1107064), (28, 1027988), (52, 553532), (53, 543088), (56, 513994), (91, 316304), (104, 276766), (106, 271544), (112, 256997), (182, 158152), (208, 138383), (212, 135772), (364, 79076), (371, 77584), (373, 77168), (424, 67886), (689, 41776), (728, 39538), (742, 38792), (746, 38584), (848, 33943), (1378, 20888), (1456, 19769), (1484, 19396), (1492, 19292), (2611, 11024), (2756, 10444), (2968, 9698), (2984, 9646), (4823, 5968), (4849, 5936), (5222, 5512)]